Home / 19,264,213.30-28,896,929.07-7,136,711.86

Finding the Fourth Proportional to 19,264,213.30, 28,896,929.07 and 7,136,711.86

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Solution

The fourth proportional to 19,264,213.30, 28,896,929.07 and 7,136,711.86 is: 10,705,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264,213.30 : 28,896,929.07 = 7,136,711.86 : x
  2. Step 2: Convert to fraction form
    19,264,213.30/28,896,929.07 = 7,136,711.86/x
  3. Step 3: Cross multiply
    19,264,213.30x = 28,896,929.07 × 7,136,711.86
  4. Step 4: Simplify right side
    19,264,213.30x = 206,229,056,411,447.78
  5. Step 5: Solve for x
    x = 206,229,056,411,447.78/19,264,213.30
  6. Step 6: Final answer
    x = 10,705,293.45

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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.