Home / 19,960,434.48-29,927,778.86-7,831,123.78

Finding the Fourth Proportional to 19,960,434.48, 29,927,778.86 and 7,831,123.78

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Solution

The fourth proportional to 19,960,434.48, 29,927,778.86 and 7,831,123.78 is: 11,741,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,434.48 : 29,927,778.86 = 7,831,123.78 : x
  2. Step 2: Convert to fraction form
    19,960,434.48/29,927,778.86 = 7,831,123.78/x
  3. Step 3: Cross multiply
    19,960,434.48x = 29,927,778.86 × 7,831,123.78
  4. Step 4: Simplify right side
    19,960,434.48x = 234,368,140,713,127.28
  5. Step 5: Solve for x
    x = 234,368,140,713,127.28/19,960,434.48
  6. Step 6: Final answer
    x = 11,741,635.23

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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.