Home / 18,390,859.62-25,375,503.33-10,655,430.90

Finding the Fourth Proportional to 18,390,859.62, 25,375,503.33 and 10,655,430.90

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Solution

The fourth proportional to 18,390,859.62, 25,375,503.33 and 10,655,430.90 is: 14,702,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390,859.62 : 25,375,503.33 = 10,655,430.90 : x
  2. Step 2: Convert to fraction form
    18,390,859.62/25,375,503.33 = 10,655,430.90/x
  3. Step 3: Cross multiply
    18,390,859.62x = 25,375,503.33 × 10,655,430.90
  4. Step 4: Simplify right side
    18,390,859.62x = 270,386,922,285,534.88
  5. Step 5: Solve for x
    x = 270,386,922,285,534.88/18,390,859.62
  6. Step 6: Final answer
    x = 14,702,244.91

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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.