Home / 6,472,428.30-8,935,309.28-4,728,139.31

Finding the Fourth Proportional to 6,472,428.30, 8,935,309.28 and 4,728,139.31

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Solution

The fourth proportional to 6,472,428.30, 8,935,309.28 and 4,728,139.31 is: 6,527,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,428.30 : 8,935,309.28 = 4,728,139.31 : x
  2. Step 2: Convert to fraction form
    6,472,428.30/8,935,309.28 = 4,728,139.31/x
  3. Step 3: Cross multiply
    6,472,428.30x = 8,935,309.28 × 4,728,139.31
  4. Step 4: Simplify right side
    6,472,428.30x = 42,247,386,985,458.55
  5. Step 5: Solve for x
    x = 42,247,386,985,458.55/6,472,428.30
  6. Step 6: Final answer
    x = 6,527,285.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.