Home / 10,011,218.40-15,016,827.60-5,460,508.80

Finding the Fourth Proportional to 10,011,218.40, 15,016,827.60 and 5,460,508.80

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Solution

The fourth proportional to 10,011,218.40, 15,016,827.60 and 5,460,508.80 is: 8,190,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,218.40 : 15,016,827.60 = 5,460,508.80 : x
  2. Step 2: Convert to fraction form
    10,011,218.40/15,016,827.60 = 5,460,508.80/x
  3. Step 3: Cross multiply
    10,011,218.40x = 15,016,827.60 × 5,460,508.80
  4. Step 4: Simplify right side
    10,011,218.40x = 81,999,519,257,882.88
  5. Step 5: Solve for x
    x = 81,999,519,257,882.88/10,011,218.40
  6. Step 6: Final answer
    x = 8,190,763.20

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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.