Home / 18,319,488.12-25,285,489.74-10,589,020.92

Finding the Fourth Proportional to 18,319,488.12, 25,285,489.74 and 10,589,020.92

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Solution

The fourth proportional to 18,319,488.12, 25,285,489.74 and 10,589,020.92 is: 14,615,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319,488.12 : 25,285,489.74 = 10,589,020.92 : x
  2. Step 2: Convert to fraction form
    18,319,488.12/25,285,489.74 = 10,589,020.92/x
  3. Step 3: Cross multiply
    18,319,488.12x = 25,285,489.74 × 10,589,020.92
  4. Step 4: Simplify right side
    18,319,488.12x = 267,748,579,829,305.34
  5. Step 5: Solve for x
    x = 267,748,579,829,305.34/18,319,488.12
  6. Step 6: Final answer
    x = 14,615,505.52

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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.