Home / 21,931,551.80-32,897,327.70-21,553,638.20

Finding the Fourth Proportional to 21,931,551.80, 32,897,327.70 and 21,553,638.20

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Solution

The fourth proportional to 21,931,551.80, 32,897,327.70 and 21,553,638.20 is: 32,330,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931,551.80 : 32,897,327.70 = 21,553,638.20 : x
  2. Step 2: Convert to fraction form
    21,931,551.80/32,897,327.70 = 21,553,638.20/x
  3. Step 3: Cross multiply
    21,931,551.80x = 32,897,327.70 × 21,553,638.20
  4. Step 4: Simplify right side
    21,931,551.80x = 709,057,098,992,638.12
  5. Step 5: Solve for x
    x = 709,057,098,992,638.12/21,931,551.80
  6. Step 6: Final answer
    x = 32,330,457.30

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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.