Home / 10,468,040.40-15,702,060.60-9,712,213.20

Finding the Fourth Proportional to 10,468,040.40, 15,702,060.60 and 9,712,213.20

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Solution

The fourth proportional to 10,468,040.40, 15,702,060.60 and 9,712,213.20 is: 14,568,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468,040.40 : 15,702,060.60 = 9,712,213.20 : x
  2. Step 2: Convert to fraction form
    10,468,040.40/15,702,060.60 = 9,712,213.20/x
  3. Step 3: Cross multiply
    10,468,040.40x = 15,702,060.60 × 9,712,213.20
  4. Step 4: Simplify right side
    10,468,040.40x = 152,501,760,226,519.91
  5. Step 5: Solve for x
    x = 152,501,760,226,519.91/10,468,040.40
  6. Step 6: Final answer
    x = 14,568,319.80

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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.