Home / 10,109,926.80-15,164,890.20-6,708,704.40

Finding the Fourth Proportional to 10,109,926.80, 15,164,890.20 and 6,708,704.40

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Solution

The fourth proportional to 10,109,926.80, 15,164,890.20 and 6,708,704.40 is: 10,063,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,926.80 : 15,164,890.20 = 6,708,704.40 : x
  2. Step 2: Convert to fraction form
    10,109,926.80/15,164,890.20 = 6,708,704.40/x
  3. Step 3: Cross multiply
    10,109,926.80x = 15,164,890.20 × 6,708,704.40
  4. Step 4: Simplify right side
    10,109,926.80x = 101,736,765,610,256.88
  5. Step 5: Solve for x
    x = 101,736,765,610,256.88/10,109,926.80
  6. Step 6: Final answer
    x = 10,063,056.60

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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.