Home / 12,398,967.60-18,590,843.88-4,817,082.48

Finding the Fourth Proportional to 12,398,967.60, 18,590,843.88 and 4,817,082.48

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Solution

The fourth proportional to 12,398,967.60, 18,590,843.88 and 4,817,082.48 is: 7,222,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398,967.60 : 18,590,843.88 = 4,817,082.48 : x
  2. Step 2: Convert to fraction form
    12,398,967.60/18,590,843.88 = 4,817,082.48/x
  3. Step 3: Cross multiply
    12,398,967.60x = 18,590,843.88 × 4,817,082.48
  4. Step 4: Simplify right side
    12,398,967.60x = 89,553,628,342,763.22
  5. Step 5: Solve for x
    x = 89,553,628,342,763.22/12,398,967.60
  6. Step 6: Final answer
    x = 7,222,668.15

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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.