Home / 9,877,419.20-14,816,128.80-5,625,891.20

Finding the Fourth Proportional to 9,877,419.20, 14,816,128.80 and 5,625,891.20

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Solution

The fourth proportional to 9,877,419.20, 14,816,128.80 and 5,625,891.20 is: 8,438,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877,419.20 : 14,816,128.80 = 5,625,891.20 : x
  2. Step 2: Convert to fraction form
    9,877,419.20/14,816,128.80 = 5,625,891.20/x
  3. Step 3: Cross multiply
    9,877,419.20x = 14,816,128.80 × 5,625,891.20
  4. Step 4: Simplify right side
    9,877,419.20x = 83,353,928,633,986.56
  5. Step 5: Solve for x
    x = 83,353,928,633,986.56/9,877,419.20
  6. Step 6: Final answer
    x = 8,438,836.80

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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.