Home / 7,280,693.40-10,921,040.10-5,265,154.20

Finding the Fourth Proportional to 7,280,693.40, 10,921,040.10 and 5,265,154.20

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Solution

The fourth proportional to 7,280,693.40, 10,921,040.10 and 5,265,154.20 is: 7,897,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,693.40 : 10,921,040.10 = 5,265,154.20 : x
  2. Step 2: Convert to fraction form
    7,280,693.40/10,921,040.10 = 5,265,154.20/x
  3. Step 3: Cross multiply
    7,280,693.40x = 10,921,040.10 × 5,265,154.20
  4. Step 4: Simplify right side
    7,280,693.40x = 57,500,960,150,883.42
  5. Step 5: Solve for x
    x = 57,500,960,150,883.42/7,280,693.40
  6. Step 6: Final answer
    x = 7,897,731.30

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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.