Home / 10,392,000.90-15,588,001.35-8,525,760.90

Finding the Fourth Proportional to 10,392,000.90, 15,588,001.35 and 8,525,760.90

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Solution

The fourth proportional to 10,392,000.90, 15,588,001.35 and 8,525,760.90 is: 12,788,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,000.90 : 15,588,001.35 = 8,525,760.90 : x
  2. Step 2: Convert to fraction form
    10,392,000.90/15,588,001.35 = 8,525,760.90/x
  3. Step 3: Cross multiply
    10,392,000.90x = 15,588,001.35 × 8,525,760.90
  4. Step 4: Simplify right side
    10,392,000.90x = 132,899,572,418,977.22
  5. Step 5: Solve for x
    x = 132,899,572,418,977.22/10,392,000.90
  6. Step 6: Final answer
    x = 12,788,641.35

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Double scale
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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.