Home / 40,278,048.30-60,417,072.45-11,525,121.90

Finding the Fourth Proportional to 40,278,048.30, 60,417,072.45 and 11,525,121.90

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Solution

The fourth proportional to 40,278,048.30, 60,417,072.45 and 11,525,121.90 is: 17,287,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278,048.30 : 60,417,072.45 = 11,525,121.90 : x
  2. Step 2: Convert to fraction form
    40,278,048.30/60,417,072.45 = 11,525,121.90/x
  3. Step 3: Cross multiply
    40,278,048.30x = 60,417,072.45 × 11,525,121.90
  4. Step 4: Simplify right side
    40,278,048.30x = 696,314,124,827,381.75
  5. Step 5: Solve for x
    x = 696,314,124,827,381.75/40,278,048.30
  6. Step 6: Final answer
    x = 17,287,682.85

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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.