Home / 28,516,818.30-42,785,725.05-9,348,200.70

Finding the Fourth Proportional to 28,516,818.30, 42,785,725.05 and 9,348,200.70

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Solution

The fourth proportional to 28,516,818.30, 42,785,725.05 and 9,348,200.70 is: 14,025,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,818.30 : 42,785,725.05 = 9,348,200.70 : x
  2. Step 2: Convert to fraction form
    28,516,818.30/42,785,725.05 = 9,348,200.70/x
  3. Step 3: Cross multiply
    28,516,818.30x = 42,785,725.05 × 9,348,200.70
  4. Step 4: Simplify right side
    28,516,818.30x = 399,969,544,862,417.50
  5. Step 5: Solve for x
    x = 399,969,544,862,417.50/28,516,818.30
  6. Step 6: Final answer
    x = 14,025,742.31

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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.