Home / 8,578,731.78-11,838,606.84-4,658,452.88

Finding the Fourth Proportional to 8,578,731.78, 11,838,606.84 and 4,658,452.88

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Solution

The fourth proportional to 8,578,731.78, 11,838,606.84 and 4,658,452.88 is: 6,428,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,731.78 : 11,838,606.84 = 4,658,452.88 : x
  2. Step 2: Convert to fraction form
    8,578,731.78/11,838,606.84 = 4,658,452.88/x
  3. Step 3: Cross multiply
    8,578,731.78x = 11,838,606.84 × 4,658,452.88
  4. Step 4: Simplify right side
    8,578,731.78x = 55,149,592,128,985.70
  5. Step 5: Solve for x
    x = 55,149,592,128,985.70/8,578,731.78
  6. Step 6: Final answer
    x = 6,428,641.62

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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.