Home / 21,813,945.40-32,720,918.10-7,432,233.40

Finding the Fourth Proportional to 21,813,945.40, 32,720,918.10 and 7,432,233.40

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Solution

The fourth proportional to 21,813,945.40, 32,720,918.10 and 7,432,233.40 is: 11,148,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813,945.40 : 32,720,918.10 = 7,432,233.40 : x
  2. Step 2: Convert to fraction form
    21,813,945.40/32,720,918.10 = 7,432,233.40/x
  3. Step 3: Cross multiply
    21,813,945.40x = 32,720,918.10 × 7,432,233.40
  4. Step 4: Simplify right side
    21,813,945.40x = 243,189,500,381,484.56
  5. Step 5: Solve for x
    x = 243,189,500,381,484.56/21,813,945.40
  6. Step 6: Final answer
    x = 11,148,350.10

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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.