Home / 12,010,990.86-18,016,346.52-4,822,398.45

Finding the Fourth Proportional to 12,010,990.86, 18,016,346.52 and 4,822,398.45

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Solution

The fourth proportional to 12,010,990.86, 18,016,346.52 and 4,822,398.45 is: 7,233,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,990.86 : 18,016,346.52 = 4,822,398.45 : x
  2. Step 2: Convert to fraction form
    12,010,990.86/18,016,346.52 = 4,822,398.45/x
  3. Step 3: Cross multiply
    12,010,990.86x = 18,016,346.52 × 4,822,398.45
  4. Step 4: Simplify right side
    12,010,990.86x = 86,882,001,532,710.89
  5. Step 5: Solve for x
    x = 86,882,001,532,710.89/12,010,990.86
  6. Step 6: Final answer
    x = 7,233,541.56

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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.