Home / 8,740,915.20-13,111,372.80-5,377,017.60

Finding the Fourth Proportional to 8,740,915.20, 13,111,372.80 and 5,377,017.60

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Solution

The fourth proportional to 8,740,915.20, 13,111,372.80 and 5,377,017.60 is: 8,065,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,915.20 : 13,111,372.80 = 5,377,017.60 : x
  2. Step 2: Convert to fraction form
    8,740,915.20/13,111,372.80 = 5,377,017.60/x
  3. Step 3: Cross multiply
    8,740,915.20x = 13,111,372.80 × 5,377,017.60
  4. Step 4: Simplify right side
    8,740,915.20x = 70,500,082,305,761.28
  5. Step 5: Solve for x
    x = 70,500,082,305,761.28/8,740,915.20
  6. Step 6: Final answer
    x = 8,065,526.40

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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.