Home / 7,152,374.48-9,870,328.15-3,889,165.83

Finding the Fourth Proportional to 7,152,374.48, 9,870,328.15 and 3,889,165.83

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Solution

The fourth proportional to 7,152,374.48, 9,870,328.15 and 3,889,165.83 is: 5,367,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,374.48 : 9,870,328.15 = 3,889,165.83 : x
  2. Step 2: Convert to fraction form
    7,152,374.48/9,870,328.15 = 3,889,165.83/x
  3. Step 3: Cross multiply
    7,152,374.48x = 9,870,328.15 × 3,889,165.83
  4. Step 4: Simplify right side
    7,152,374.48x = 38,387,342,988,646.98
  5. Step 5: Solve for x
    x = 38,387,342,988,646.98/7,152,374.48
  6. Step 6: Final answer
    x = 5,367,076.78

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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.