Home / 10,875,729.12-15,008,206.86-5,980,951.20

Finding the Fourth Proportional to 10,875,729.12, 15,008,206.86 and 5,980,951.20

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Solution

The fourth proportional to 10,875,729.12, 15,008,206.86 and 5,980,951.20 is: 8,253,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,729.12 : 15,008,206.86 = 5,980,951.20 : x
  2. Step 2: Convert to fraction form
    10,875,729.12/15,008,206.86 = 5,980,951.20/x
  3. Step 3: Cross multiply
    10,875,729.12x = 15,008,206.86 × 5,980,951.20
  4. Step 4: Simplify right side
    10,875,729.12x = 89,763,352,829,165.23
  5. Step 5: Solve for x
    x = 89,763,352,829,165.23/10,875,729.12
  6. Step 6: Final answer
    x = 8,253,548.05

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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.