Home / 10,478,270.12-14,452,218.22-9,252,412.88

Finding the Fourth Proportional to 10,478,270.12, 14,452,218.22 and 9,252,412.88

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Solution

The fourth proportional to 10,478,270.12, 14,452,218.22 and 9,252,412.88 is: 12,761,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,270.12 : 14,452,218.22 = 9,252,412.88 : x
  2. Step 2: Convert to fraction form
    10,478,270.12/14,452,218.22 = 9,252,412.88/x
  3. Step 3: Cross multiply
    10,478,270.12x = 14,452,218.22 × 9,252,412.88
  4. Step 4: Simplify right side
    10,478,270.12x = 133,717,890,003,298.69
  5. Step 5: Solve for x
    x = 133,717,890,003,298.69/10,478,270.12
  6. Step 6: Final answer
    x = 12,761,447.12

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1.5x scale

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.