Home / 10,753,256.80-16,129,885.20-10,501,314.40

Finding the Fourth Proportional to 10,753,256.80, 16,129,885.20 and 10,501,314.40

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Solution

The fourth proportional to 10,753,256.80, 16,129,885.20 and 10,501,314.40 is: 15,751,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,256.80 : 16,129,885.20 = 10,501,314.40 : x
  2. Step 2: Convert to fraction form
    10,753,256.80/16,129,885.20 = 10,501,314.40/x
  3. Step 3: Cross multiply
    10,753,256.80x = 16,129,885.20 × 10,501,314.40
  4. Step 4: Simplify right side
    10,753,256.80x = 169,384,995,721,106.88
  5. Step 5: Solve for x
    x = 169,384,995,721,106.88/10,753,256.80
  6. Step 6: Final answer
    x = 15,751,971.60

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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.