Home / 12,069,187.80-18,103,781.70-3,983,411.40

Finding the Fourth Proportional to 12,069,187.80, 18,103,781.70 and 3,983,411.40

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Solution

The fourth proportional to 12,069,187.80, 18,103,781.70 and 3,983,411.40 is: 5,975,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,187.80 : 18,103,781.70 = 3,983,411.40 : x
  2. Step 2: Convert to fraction form
    12,069,187.80/18,103,781.70 = 3,983,411.40/x
  3. Step 3: Cross multiply
    12,069,187.80x = 18,103,781.70 × 3,983,411.40
  4. Step 4: Simplify right side
    12,069,187.80x = 72,114,810,406,891.38
  5. Step 5: Solve for x
    x = 72,114,810,406,891.38/12,069,187.80
  6. Step 6: Final answer
    x = 5,975,117.10

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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.