Home / 13,428,074.47-20,146,042.16-4,329,989.08

Finding the Fourth Proportional to 13,428,074.47, 20,146,042.16 and 4,329,989.08

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Solution

The fourth proportional to 13,428,074.47, 20,146,042.16 and 4,329,989.08 is: 6,496,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,074.47 : 20,146,042.16 = 4,329,989.08 : x
  2. Step 2: Convert to fraction form
    13,428,074.47/20,146,042.16 = 4,329,989.08/x
  3. Step 3: Cross multiply
    13,428,074.47x = 20,146,042.16 × 4,329,989.08
  4. Step 4: Simplify right side
    13,428,074.47x = 87,232,142,558,019.61
  5. Step 5: Solve for x
    x = 87,232,142,558,019.61/13,428,074.47
  6. Step 6: Final answer
    x = 6,496,251.03

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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.