Home / 40,812,811.20-61,219,216.80-13,523,315.85

Finding the Fourth Proportional to 40,812,811.20, 61,219,216.80 and 13,523,315.85

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Solution

The fourth proportional to 40,812,811.20, 61,219,216.80 and 13,523,315.85 is: 20,284,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812,811.20 : 61,219,216.80 = 13,523,315.85 : x
  2. Step 2: Convert to fraction form
    40,812,811.20/61,219,216.80 = 13,523,315.85/x
  3. Step 3: Cross multiply
    40,812,811.20x = 61,219,216.80 × 13,523,315.85
  4. Step 4: Simplify right side
    40,812,811.20x = 827,886,804,876,026.25
  5. Step 5: Solve for x
    x = 827,886,804,876,026.25/40,812,811.20
  6. Step 6: Final answer
    x = 20,284,973.78

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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.