Home / 31,536,057.40-47,304,086.10-8,816,918.20

Finding the Fourth Proportional to 31,536,057.40, 47,304,086.10 and 8,816,918.20

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Solution

The fourth proportional to 31,536,057.40, 47,304,086.10 and 8,816,918.20 is: 13,225,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,057.40 : 47,304,086.10 = 8,816,918.20 : x
  2. Step 2: Convert to fraction form
    31,536,057.40/47,304,086.10 = 8,816,918.20/x
  3. Step 3: Cross multiply
    31,536,057.40x = 47,304,086.10 × 8,816,918.20
  4. Step 4: Simplify right side
    31,536,057.40x = 417,076,257,669,457
  5. Step 5: Solve for x
    x = 417,076,257,669,457/31,536,057.40
  6. Step 6: Final answer
    x = 13,225,377.30

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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.