Home / 21,533,615.20-32,266,152.40-15,068,930.64

Finding the Fourth Proportional to 21,533,615.20, 32,266,152.40 and 15,068,930.64

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Solution

The fourth proportional to 21,533,615.20, 32,266,152.40 and 15,068,930.64 is: 22,579,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533,615.20 : 32,266,152.40 = 15,068,930.64 : x
  2. Step 2: Convert to fraction form
    21,533,615.20/32,266,152.40 = 15,068,930.64/x
  3. Step 3: Cross multiply
    21,533,615.20x = 32,266,152.40 × 15,068,930.64
  4. Step 4: Simplify right side
    21,533,615.20x = 486,216,412,535,269.56
  5. Step 5: Solve for x
    x = 486,216,412,535,269.56/21,533,615.20
  6. Step 6: Final answer
    x = 22,579,414.00

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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.