Home / 12,472,360.20-18,715,538.70-5,282,670.60

Finding the Fourth Proportional to 12,472,360.20, 18,715,538.70 and 5,282,670.60

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Solution

The fourth proportional to 12,472,360.20, 18,715,538.70 and 5,282,670.60 is: 7,926,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,360.20 : 18,715,538.70 = 5,282,670.60 : x
  2. Step 2: Convert to fraction form
    12,472,360.20/18,715,538.70 = 5,282,670.60/x
  3. Step 3: Cross multiply
    12,472,360.20x = 18,715,538.70 × 5,282,670.60
  4. Step 4: Simplify right side
    12,472,360.20x = 98,868,026,053,652.20
  5. Step 5: Solve for x
    x = 98,868,026,053,652.20/12,472,360.20
  6. Step 6: Final answer
    x = 7,926,970.07

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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.