Home / 14,508,889.20-21,780,095.40-7,790,425.20

Finding the Fourth Proportional to 14,508,889.20, 21,780,095.40 and 7,790,425.20

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Solution

The fourth proportional to 14,508,889.20, 21,780,095.40 and 7,790,425.20 is: 11,694,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,889.20 : 21,780,095.40 = 7,790,425.20 : x
  2. Step 2: Convert to fraction form
    14,508,889.20/21,780,095.40 = 7,790,425.20/x
  3. Step 3: Cross multiply
    14,508,889.20x = 21,780,095.40 × 7,790,425.20
  4. Step 4: Simplify right side
    14,508,889.20x = 169,676,204,062,564.06
  5. Step 5: Solve for x
    x = 169,676,204,062,564.06/14,508,889.20
  6. Step 6: Final answer
    x = 11,694,637.80

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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.