Home / 11,061,109.12-15,271,287.36-8,477,921.92

Finding the Fourth Proportional to 11,061,109.12, 15,271,287.36 and 8,477,921.92

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Solution

The fourth proportional to 11,061,109.12, 15,271,287.36 and 8,477,921.92 is: 11,704,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061,109.12 : 15,271,287.36 = 8,477,921.92 : x
  2. Step 2: Convert to fraction form
    11,061,109.12/15,271,287.36 = 8,477,921.92/x
  3. Step 3: Cross multiply
    11,061,109.12x = 15,271,287.36 × 8,477,921.92
  4. Step 4: Simplify right side
    11,061,109.12x = 129,468,781,855,962.92
  5. Step 5: Solve for x
    x = 129,468,781,855,962.92/11,061,109.12
  6. Step 6: Final answer
    x = 11,704,864.35

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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.