Home / 10,927,857.12-15,066,423.60-8,960,486.88

Finding the Fourth Proportional to 10,927,857.12, 15,066,423.60 and 8,960,486.88

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Solution

The fourth proportional to 10,927,857.12, 15,066,423.60 and 8,960,486.88 is: 12,353,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927,857.12 : 15,066,423.60 = 8,960,486.88 : x
  2. Step 2: Convert to fraction form
    10,927,857.12/15,066,423.60 = 8,960,486.88/x
  3. Step 3: Cross multiply
    10,927,857.12x = 15,066,423.60 × 8,960,486.88
  4. Step 4: Simplify right side
    10,927,857.12x = 135,002,490,996,322.38
  5. Step 5: Solve for x
    x = 135,002,490,996,322.38/10,927,857.12
  6. Step 6: Final answer
    x = 12,353,976.59

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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.