Home / 9,108,437.20-12,569,612.80-4,978,465.95

Finding the Fourth Proportional to 9,108,437.20, 12,569,612.80 and 4,978,465.95

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Solution

The fourth proportional to 9,108,437.20, 12,569,612.80 and 4,978,465.95 is: 6,870,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,437.20 : 12,569,612.80 = 4,978,465.95 : x
  2. Step 2: Convert to fraction form
    9,108,437.20/12,569,612.80 = 4,978,465.95/x
  3. Step 3: Cross multiply
    9,108,437.20x = 12,569,612.80 × 4,978,465.95
  4. Step 4: Simplify right side
    9,108,437.20x = 62,577,389,329,484.16
  5. Step 5: Solve for x
    x = 62,577,389,329,484.16/9,108,437.20
  6. Step 6: Final answer
    x = 6,870,266.32

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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.