Home / 21,693,491.61-29,936,936.29-11,904,099.62

Finding the Fourth Proportional to 21,693,491.61, 29,936,936.29 and 11,904,099.62

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Solution

The fourth proportional to 21,693,491.61, 29,936,936.29 and 11,904,099.62 is: 16,427,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,491.61 : 29,936,936.29 = 11,904,099.62 : x
  2. Step 2: Convert to fraction form
    21,693,491.61/29,936,936.29 = 11,904,099.62/x
  3. Step 3: Cross multiply
    21,693,491.61x = 29,936,936.29 × 11,904,099.62
  4. Step 4: Simplify right side
    21,693,491.61x = 356,372,271,778,948.69
  5. Step 5: Solve for x
    x = 356,372,271,778,948.69/21,693,491.61
  6. Step 6: Final answer
    x = 16,427,612.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.