Home / 21,551,430.30-32,327,145.45-20,701,124.70

Finding the Fourth Proportional to 21,551,430.30, 32,327,145.45 and 20,701,124.70

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Solution

The fourth proportional to 21,551,430.30, 32,327,145.45 and 20,701,124.70 is: 31,051,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,430.30 : 32,327,145.45 = 20,701,124.70 : x
  2. Step 2: Convert to fraction form
    21,551,430.30/32,327,145.45 = 20,701,124.70/x
  3. Step 3: Cross multiply
    21,551,430.30x = 32,327,145.45 × 20,701,124.70
  4. Step 4: Simplify right side
    21,551,430.30x = 669,208,269,155,487.62
  5. Step 5: Solve for x
    x = 669,208,269,155,487.62/21,551,430.30
  6. Step 6: Final answer
    x = 31,051,687.05

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1.5x scale

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.