Home / 16,859,070.30-25,288,605.45-12,607,542.30

Finding the Fourth Proportional to 16,859,070.30, 25,288,605.45 and 12,607,542.30

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Solution

The fourth proportional to 16,859,070.30, 25,288,605.45 and 12,607,542.30 is: 18,911,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859,070.30 : 25,288,605.45 = 12,607,542.30 : x
  2. Step 2: Convert to fraction form
    16,859,070.30/25,288,605.45 = 12,607,542.30/x
  3. Step 3: Cross multiply
    16,859,070.30x = 25,288,605.45 × 12,607,542.30
  4. Step 4: Simplify right side
    16,859,070.30x = 318,827,162,918,885.56
  5. Step 5: Solve for x
    x = 318,827,162,918,885.56/16,859,070.30
  6. Step 6: Final answer
    x = 18,911,313.45

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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.