Home / 18,670,899.12-28,006,353.48-5,892,403.92

Finding the Fourth Proportional to 18,670,899.12, 28,006,353.48 and 5,892,403.92

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Solution

The fourth proportional to 18,670,899.12, 28,006,353.48 and 5,892,403.92 is: 8,838,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670,899.12 : 28,006,353.48 = 5,892,403.92 : x
  2. Step 2: Convert to fraction form
    18,670,899.12/28,006,353.48 = 5,892,403.92/x
  3. Step 3: Cross multiply
    18,670,899.12x = 28,006,353.48 × 5,892,403.92
  4. Step 4: Simplify right side
    18,670,899.12x = 165,024,747,030,457.66
  5. Step 5: Solve for x
    x = 165,024,747,030,457.66/18,670,899.12
  6. Step 6: Final answer
    x = 8,838,607.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.