Home / 11,688,000.80-17,532,001.20-7,656,922.40

Finding the Fourth Proportional to 11,688,000.80, 17,532,001.20 and 7,656,922.40

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Solution

The fourth proportional to 11,688,000.80, 17,532,001.20 and 7,656,922.40 is: 11,485,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,000.80 : 17,532,001.20 = 7,656,922.40 : x
  2. Step 2: Convert to fraction form
    11,688,000.80/17,532,001.20 = 7,656,922.40/x
  3. Step 3: Cross multiply
    11,688,000.80x = 17,532,001.20 × 7,656,922.40
  4. Step 4: Simplify right side
    11,688,000.80x = 134,241,172,705,106.88
  5. Step 5: Solve for x
    x = 134,241,172,705,106.88/11,688,000.80
  6. Step 6: Final answer
    x = 11,485,383.60

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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.