Home / 10,548,998.40-15,823,497.60-9,793,171.20

Finding the Fourth Proportional to 10,548,998.40, 15,823,497.60 and 9,793,171.20

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Solution

The fourth proportional to 10,548,998.40, 15,823,497.60 and 9,793,171.20 is: 14,689,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548,998.40 : 15,823,497.60 = 9,793,171.20 : x
  2. Step 2: Convert to fraction form
    10,548,998.40/15,823,497.60 = 9,793,171.20/x
  3. Step 3: Cross multiply
    10,548,998.40x = 15,823,497.60 × 9,793,171.20
  4. Step 4: Simplify right side
    10,548,998.40x = 154,962,220,979,589.09
  5. Step 5: Solve for x
    x = 154,962,220,979,589.09/10,548,998.40
  6. Step 6: Final answer
    x = 14,689,756.80

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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.