Home / 10,115,322.56-13,960,227.12-6,197,678.72

Finding the Fourth Proportional to 10,115,322.56, 13,960,227.12 and 6,197,678.72

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Solution

The fourth proportional to 10,115,322.56, 13,960,227.12 and 6,197,678.72 is: 8,553,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,322.56 : 13,960,227.12 = 6,197,678.72 : x
  2. Step 2: Convert to fraction form
    10,115,322.56/13,960,227.12 = 6,197,678.72/x
  3. Step 3: Cross multiply
    10,115,322.56x = 13,960,227.12 × 6,197,678.72
  4. Step 4: Simplify right side
    10,115,322.56x = 86,521,002,547,990.88
  5. Step 5: Solve for x
    x = 86,521,002,547,990.88/10,115,322.56
  6. Step 6: Final answer
    x = 8,553,459.57

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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.