Home / 9,660,003.60-14,490,005.40-8,697,853.20

Finding the Fourth Proportional to 9,660,003.60, 14,490,005.40 and 8,697,853.20

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Solution

The fourth proportional to 9,660,003.60, 14,490,005.40 and 8,697,853.20 is: 13,046,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660,003.60 : 14,490,005.40 = 8,697,853.20 : x
  2. Step 2: Convert to fraction form
    9,660,003.60/14,490,005.40 = 8,697,853.20/x
  3. Step 3: Cross multiply
    9,660,003.60x = 14,490,005.40 × 8,697,853.20
  4. Step 4: Simplify right side
    9,660,003.60x = 126,031,939,836,407.27
  5. Step 5: Solve for x
    x = 126,031,939,836,407.27/9,660,003.60
  6. Step 6: Final answer
    x = 13,046,779.80

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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.