Home / 31,352,881.80-47,064,752.10-18,580,583.10

Finding the Fourth Proportional to 31,352,881.80, 47,064,752.10 and 18,580,583.10

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Solution

The fourth proportional to 31,352,881.80, 47,064,752.10 and 18,580,583.10 is: 27,891,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,352,881.80 : 47,064,752.10 = 18,580,583.10 : x
  2. Step 2: Convert to fraction form
    31,352,881.80/47,064,752.10 = 18,580,583.10/x
  3. Step 3: Cross multiply
    31,352,881.80x = 47,064,752.10 × 18,580,583.10
  4. Step 4: Simplify right side
    31,352,881.80x = 874,490,537,474,949.62
  5. Step 5: Solve for x
    x = 874,490,537,474,949.62/31,352,881.80
  6. Step 6: Final answer
    x = 27,891,871.09

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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.