Home / 12,061,985.10-18,092,977.65-10,007,079.90

Finding the Fourth Proportional to 12,061,985.10, 18,092,977.65 and 10,007,079.90

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Solution

The fourth proportional to 12,061,985.10, 18,092,977.65 and 10,007,079.90 is: 15,010,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,985.10 : 18,092,977.65 = 10,007,079.90 : x
  2. Step 2: Convert to fraction form
    12,061,985.10/18,092,977.65 = 10,007,079.90/x
  3. Step 3: Cross multiply
    12,061,985.10x = 18,092,977.65 × 10,007,079.90
  4. Step 4: Simplify right side
    12,061,985.10x = 181,057,872,972,464.22
  5. Step 5: Solve for x
    x = 181,057,872,972,464.22/12,061,985.10
  6. Step 6: Final answer
    x = 15,010,619.85

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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.