Home / 12,155,319.76-16,757,925.60-7,796,839.36

Finding the Fourth Proportional to 12,155,319.76, 16,757,925.60 and 7,796,839.36

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Solution

The fourth proportional to 12,155,319.76, 16,757,925.60 and 7,796,839.36 is: 10,749,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,319.76 : 16,757,925.60 = 7,796,839.36 : x
  2. Step 2: Convert to fraction form
    12,155,319.76/16,757,925.60 = 7,796,839.36/x
  3. Step 3: Cross multiply
    12,155,319.76x = 16,757,925.60 × 7,796,839.36
  4. Step 4: Simplify right side
    12,155,319.76x = 130,658,853,910,031.62
  5. Step 5: Solve for x
    x = 130,658,853,910,031.62/12,155,319.76
  6. Step 6: Final answer
    x = 10,749,108.74

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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.