Home / 7,454,651.80-11,178,041.10-3,190,001.80

Finding the Fourth Proportional to 7,454,651.80, 11,178,041.10 and 3,190,001.80

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Solution

The fourth proportional to 7,454,651.80, 11,178,041.10 and 3,190,001.80 is: 4,783,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454,651.80 : 11,178,041.10 = 3,190,001.80 : x
  2. Step 2: Convert to fraction form
    7,454,651.80/11,178,041.10 = 3,190,001.80/x
  3. Step 3: Cross multiply
    7,454,651.80x = 11,178,041.10 × 3,190,001.80
  4. Step 4: Simplify right side
    7,454,651.80x = 35,657,971,229,473.98
  5. Step 5: Solve for x
    x = 35,657,971,229,473.98/7,454,651.80
  6. Step 6: Final answer
    x = 4,783,318.15

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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.