Home / 31,536,116.10-47,304,174.15-13,585,220.10

Finding the Fourth Proportional to 31,536,116.10, 47,304,174.15 and 13,585,220.10

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Solution

The fourth proportional to 31,536,116.10, 47,304,174.15 and 13,585,220.10 is: 20,377,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,116.10 : 47,304,174.15 = 13,585,220.10 : x
  2. Step 2: Convert to fraction form
    31,536,116.10/47,304,174.15 = 13,585,220.10/x
  3. Step 3: Cross multiply
    31,536,116.10x = 47,304,174.15 × 13,585,220.10
  4. Step 4: Simplify right side
    31,536,116.10x = 642,637,617,476,480.38
  5. Step 5: Solve for x
    x = 642,637,617,476,480.38/31,536,116.10
  6. Step 6: Final answer
    x = 20,377,830.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.