Home / 9,072,905.40-13,609,358.10-6,521,988.60

Finding the Fourth Proportional to 9,072,905.40, 13,609,358.10 and 6,521,988.60

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Solution

The fourth proportional to 9,072,905.40, 13,609,358.10 and 6,521,988.60 is: 9,782,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,905.40 : 13,609,358.10 = 6,521,988.60 : x
  2. Step 2: Convert to fraction form
    9,072,905.40/13,609,358.10 = 6,521,988.60/x
  3. Step 3: Cross multiply
    9,072,905.40x = 13,609,358.10 × 6,521,988.60
  4. Step 4: Simplify right side
    9,072,905.40x = 88,760,078,381,517.66
  5. Step 5: Solve for x
    x = 88,760,078,381,517.66/9,072,905.40
  6. Step 6: Final answer
    x = 9,782,982.90

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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.