Home / 19,931,974.80-29,897,962.20-10,838,428.80

Finding the Fourth Proportional to 19,931,974.80, 29,897,962.20 and 10,838,428.80

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Solution

The fourth proportional to 19,931,974.80, 29,897,962.20 and 10,838,428.80 is: 16,257,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,974.80 : 29,897,962.20 = 10,838,428.80 : x
  2. Step 2: Convert to fraction form
    19,931,974.80/29,897,962.20 = 10,838,428.80/x
  3. Step 3: Cross multiply
    19,931,974.80x = 29,897,962.20 × 10,838,428.80
  4. Step 4: Simplify right side
    19,931,974.80x = 324,046,934,569,791.38
  5. Step 5: Solve for x
    x = 324,046,934,569,791.38/19,931,974.80
  6. Step 6: Final answer
    x = 16,257,643.20

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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.