Home / 28,516,540.80-42,785,308.80-9,347,923.20

Finding the Fourth Proportional to 28,516,540.80, 42,785,308.80 and 9,347,923.20

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Solution

The fourth proportional to 28,516,540.80, 42,785,308.80 and 9,347,923.20 is: 14,025,325.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,540.80 : 42,785,308.80 = 9,347,923.20 : x
  2. Step 2: Convert to fraction form
    28,516,540.80/42,785,308.80 = 9,347,923.20/x
  3. Step 3: Cross multiply
    28,516,540.80x = 42,785,308.80 × 9,347,923.20
  4. Step 4: Simplify right side
    28,516,540.80x = 399,953,780,750,684.12
  5. Step 5: Solve for x
    x = 399,953,780,750,684.12/28,516,540.80
  6. Step 6: Final answer
    x = 14,025,325.99

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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.