Home / 13,818,576.40-20,727,864.60-6,626,408.20

Finding the Fourth Proportional to 13,818,576.40, 20,727,864.60 and 6,626,408.20

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Solution

The fourth proportional to 13,818,576.40, 20,727,864.60 and 6,626,408.20 is: 9,939,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,576.40 : 20,727,864.60 = 6,626,408.20 : x
  2. Step 2: Convert to fraction form
    13,818,576.40/20,727,864.60 = 6,626,408.20/x
  3. Step 3: Cross multiply
    13,818,576.40x = 20,727,864.60 × 6,626,408.20
  4. Step 4: Simplify right side
    13,818,576.40x = 137,351,291,953,929.73
  5. Step 5: Solve for x
    x = 137,351,291,953,929.73/13,818,576.40
  6. Step 6: Final answer
    x = 9,939,612.30

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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.