Home / 12,631,811.60-18,948,767.16-5,054,643.92

Finding the Fourth Proportional to 12,631,811.60, 18,948,767.16 and 5,054,643.92

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Solution

The fourth proportional to 12,631,811.60, 18,948,767.16 and 5,054,643.92 is: 7,582,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,811.60 : 18,948,767.16 = 5,054,643.92 : x
  2. Step 2: Convert to fraction form
    12,631,811.60/18,948,767.16 = 5,054,643.92/x
  3. Step 3: Cross multiply
    12,631,811.60x = 18,948,767.16 × 5,054,643.92
  4. Step 4: Simplify right side
    12,631,811.60x = 95,779,270,716,789.67
  5. Step 5: Solve for x
    x = 95,779,270,716,789.67/12,631,811.60
  6. Step 6: Final answer
    x = 7,582,385.94

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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.