Home / 9,712,129.20-14,568,193.80-4,660,839.60

Finding the Fourth Proportional to 9,712,129.20, 14,568,193.80 and 4,660,839.60

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Solution

The fourth proportional to 9,712,129.20, 14,568,193.80 and 4,660,839.60 is: 6,991,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,129.20 : 14,568,193.80 = 4,660,839.60 : x
  2. Step 2: Convert to fraction form
    9,712,129.20/14,568,193.80 = 4,660,839.60/x
  3. Step 3: Cross multiply
    9,712,129.20x = 14,568,193.80 × 4,660,839.60
  4. Step 4: Simplify right side
    9,712,129.20x = 67,900,014,563,514.48
  5. Step 5: Solve for x
    x = 67,900,014,563,514.48/9,712,129.20
  6. Step 6: Final answer
    x = 6,991,259.40

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Similar ratio
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1.5x scale

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.