Home / 14,502,327.42-20,013,345.88-7,886,978.78

Finding the Fourth Proportional to 14,502,327.42, 20,013,345.88 and 7,886,978.78

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Solution

The fourth proportional to 14,502,327.42, 20,013,345.88 and 7,886,978.78 is: 10,884,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502,327.42 : 20,013,345.88 = 7,886,978.78 : x
  2. Step 2: Convert to fraction form
    14,502,327.42/20,013,345.88 = 7,886,978.78/x
  3. Step 3: Cross multiply
    14,502,327.42x = 20,013,345.88 × 7,886,978.78
  4. Step 4: Simplify right side
    14,502,327.42x = 157,844,834,272,360.44
  5. Step 5: Solve for x
    x = 157,844,834,272,360.44/14,502,327.42
  6. Step 6: Final answer
    x = 10,884,103.61

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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.