Home / 9,198,666.60-13,797,999.90-3,140,239.20

Finding the Fourth Proportional to 9,198,666.60, 13,797,999.90 and 3,140,239.20

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Solution

The fourth proportional to 9,198,666.60, 13,797,999.90 and 3,140,239.20 is: 4,710,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,666.60 : 13,797,999.90 = 3,140,239.20 : x
  2. Step 2: Convert to fraction form
    9,198,666.60/13,797,999.90 = 3,140,239.20/x
  3. Step 3: Cross multiply
    9,198,666.60x = 13,797,999.90 × 3,140,239.20
  4. Step 4: Simplify right side
    9,198,666.60x = 43,329,020,167,576.09
  5. Step 5: Solve for x
    x = 43,329,020,167,576.09/9,198,666.60
  6. Step 6: Final answer
    x = 4,710,358.80

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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.