Home / 21,931,543.80-32,897,315.70-21,553,630.20

Finding the Fourth Proportional to 21,931,543.80, 32,897,315.70 and 21,553,630.20

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Solution

The fourth proportional to 21,931,543.80, 32,897,315.70 and 21,553,630.20 is: 32,330,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931,543.80 : 32,897,315.70 = 21,553,630.20 : x
  2. Step 2: Convert to fraction form
    21,931,543.80/32,897,315.70 = 21,553,630.20/x
  3. Step 3: Cross multiply
    21,931,543.80x = 32,897,315.70 × 21,553,630.20
  4. Step 4: Simplify right side
    21,931,543.80x = 709,056,577,170,454.12
  5. Step 5: Solve for x
    x = 709,056,577,170,454.12/21,931,543.80
  6. Step 6: Final answer
    x = 32,330,445.30

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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.