Home / 10,149,920.32-15,227,690.64-4,686,682.40

Finding the Fourth Proportional to 10,149,920.32, 15,227,690.64 and 4,686,682.40

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Solution

The fourth proportional to 10,149,920.32, 15,227,690.64 and 4,686,682.40 is: 7,031,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149,920.32 : 15,227,690.64 = 4,686,682.40 : x
  2. Step 2: Convert to fraction form
    10,149,920.32/15,227,690.64 = 4,686,682.40/x
  3. Step 3: Cross multiply
    10,149,920.32x = 15,227,690.64 × 4,686,682.40
  4. Step 4: Simplify right side
    10,149,920.32x = 71,367,349,715,132.75
  5. Step 5: Solve for x
    x = 71,367,349,715,132.75/10,149,920.32
  6. Step 6: Final answer
    x = 7,031,321.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.