Home / 12,398,964.60-18,590,839.38-4,817,079.48

Finding the Fourth Proportional to 12,398,964.60, 18,590,839.38 and 4,817,079.48

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Solution

The fourth proportional to 12,398,964.60, 18,590,839.38 and 4,817,079.48 is: 7,222,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,964.60 : 18,590,839.38 = 4,817,079.48 : x
  2. Step 2: Convert to fraction form
    12,398,964.60/18,590,839.38 = 4,817,079.48/x
  3. Step 3: Cross multiply
    12,398,964.60x = 18,590,839.38 × 4,817,079.48
  4. Step 4: Simplify right side
    12,398,964.60x = 89,553,550,893,373.92
  5. Step 5: Solve for x
    x = 89,553,550,893,373.92/12,398,964.60
  6. Step 6: Final answer
    x = 7,222,663.65

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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.