Home / 19,960,436.48-29,927,781.86-7,831,125.78

Finding the Fourth Proportional to 19,960,436.48, 29,927,781.86 and 7,831,125.78

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Solution

The fourth proportional to 19,960,436.48, 29,927,781.86 and 7,831,125.78 is: 11,741,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,436.48 : 29,927,781.86 = 7,831,125.78 : x
  2. Step 2: Convert to fraction form
    19,960,436.48/29,927,781.86 = 7,831,125.78/x
  3. Step 3: Cross multiply
    19,960,436.48x = 29,927,781.86 × 7,831,125.78
  4. Step 4: Simplify right side
    19,960,436.48x = 234,368,224,062,062.34
  5. Step 5: Solve for x
    x = 234,368,224,062,062.34/19,960,436.48
  6. Step 6: Final answer
    x = 11,741,638.23

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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.