Home / 12,008,587.04-18,013,987.89-3,921,605.05

Finding the Fourth Proportional to 12,008,587.04, 18,013,987.89 and 3,921,605.05

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Solution

The fourth proportional to 12,008,587.04, 18,013,987.89 and 3,921,605.05 is: 5,882,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,587.04 : 18,013,987.89 = 3,921,605.05 : x
  2. Step 2: Convert to fraction form
    12,008,587.04/18,013,987.89 = 3,921,605.05/x
  3. Step 3: Cross multiply
    12,008,587.04x = 18,013,987.89 × 3,921,605.05
  4. Step 4: Simplify right side
    12,008,587.04x = 70,643,745,860,454.83
  5. Step 5: Solve for x
    x = 70,643,745,860,454.83/12,008,587.04
  6. Step 6: Final answer
    x = 5,882,769.19

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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.