Home / 8,830,421.76-12,183,822.72-5,391,409.92

Finding the Fourth Proportional to 8,830,421.76, 12,183,822.72 and 5,391,409.92

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Solution

The fourth proportional to 8,830,421.76, 12,183,822.72 and 5,391,409.92 is: 7,438,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830,421.76 : 12,183,822.72 = 5,391,409.92 : x
  2. Step 2: Convert to fraction form
    8,830,421.76/12,183,822.72 = 5,391,409.92/x
  3. Step 3: Cross multiply
    8,830,421.76x = 12,183,822.72 × 5,391,409.92
  4. Step 4: Simplify right side
    8,830,421.76x = 65,687,982,676,129.38
  5. Step 5: Solve for x
    x = 65,687,982,676,129.38/8,830,421.76
  6. Step 6: Final answer
    x = 7,438,827.32

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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.