Home / 21,508,731.80-32,263,097.70-21,359,432.60

Finding the Fourth Proportional to 21,508,731.80, 32,263,097.70 and 21,359,432.60

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Solution

The fourth proportional to 21,508,731.80, 32,263,097.70 and 21,359,432.60 is: 32,039,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,731.80 : 32,263,097.70 = 21,359,432.60 : x
  2. Step 2: Convert to fraction form
    21,508,731.80/32,263,097.70 = 21,359,432.60/x
  3. Step 3: Cross multiply
    21,508,731.80x = 32,263,097.70 × 21,359,432.60
  4. Step 4: Simplify right side
    21,508,731.80x = 689,121,460,790,365
  5. Step 5: Solve for x
    x = 689,121,460,790,365/21,508,731.80
  6. Step 6: Final answer
    x = 32,039,148.90

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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.