Home / 10,142,291.78-15,215,209.14-4,462,368.47

Finding the Fourth Proportional to 10,142,291.78, 15,215,209.14 and 4,462,368.47

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Solution

The fourth proportional to 10,142,291.78, 15,215,209.14 and 4,462,368.47 is: 6,694,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,291.78 : 15,215,209.14 = 4,462,368.47 : x
  2. Step 2: Convert to fraction form
    10,142,291.78/15,215,209.14 = 4,462,368.47/x
  3. Step 3: Cross multiply
    10,142,291.78x = 15,215,209.14 × 4,462,368.47
  4. Step 4: Simplify right side
    10,142,291.78x = 67,895,869,503,405.87
  5. Step 5: Solve for x
    x = 67,895,869,503,405.87/10,142,291.78
  6. Step 6: Final answer
    x = 6,694,332.11

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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.