Home / 8,990,655.59-12,402,896.91-5,892,354.56

Finding the Fourth Proportional to 8,990,655.59, 12,402,896.91 and 5,892,354.56

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Solution

The fourth proportional to 8,990,655.59, 12,402,896.91 and 5,892,354.56 is: 8,128,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,655.59 : 12,402,896.91 = 5,892,354.56 : x
  2. Step 2: Convert to fraction form
    8,990,655.59/12,402,896.91 = 5,892,354.56/x
  3. Step 3: Cross multiply
    8,990,655.59x = 12,402,896.91 × 5,892,354.56
  4. Step 4: Simplify right side
    8,990,655.59x = 73,082,266,164,848.41
  5. Step 5: Solve for x
    x = 73,082,266,164,848.41/8,990,655.59
  6. Step 6: Final answer
    x = 8,128,691.55

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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.