Home / 28,027,502.10-42,041,253.15-20,853,048.60

Finding the Fourth Proportional to 28,027,502.10, 42,041,253.15 and 20,853,048.60

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Solution

The fourth proportional to 28,027,502.10, 42,041,253.15 and 20,853,048.60 is: 31,279,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,502.10 : 42,041,253.15 = 20,853,048.60 : x
  2. Step 2: Convert to fraction form
    28,027,502.10/42,041,253.15 = 20,853,048.60/x
  3. Step 3: Cross multiply
    28,027,502.10x = 42,041,253.15 × 20,853,048.60
  4. Step 4: Simplify right side
    28,027,502.10x = 876,688,295,141,853.12
  5. Step 5: Solve for x
    x = 876,688,295,141,853.12/28,027,502.10
  6. Step 6: Final answer
    x = 31,279,572.90

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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.