Home / 48,388,020.30-72,582,030.45-12,486,228.30

Finding the Fourth Proportional to 48,388,020.30, 72,582,030.45 and 12,486,228.30

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Solution

The fourth proportional to 48,388,020.30, 72,582,030.45 and 12,486,228.30 is: 18,729,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,020.30 : 72,582,030.45 = 12,486,228.30 : x
  2. Step 2: Convert to fraction form
    48,388,020.30/72,582,030.45 = 12,486,228.30/x
  3. Step 3: Cross multiply
    48,388,020.30x = 72,582,030.45 × 12,486,228.30
  4. Step 4: Simplify right side
    48,388,020.30x = 906,275,802,676,251.88
  5. Step 5: Solve for x
    x = 906,275,802,676,251.88/48,388,020.30
  6. Step 6: Final answer
    x = 18,729,342.45

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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.