Home / 7,240,082.40-10,860,123.60-3,880,850.40

Finding the Fourth Proportional to 7,240,082.40, 10,860,123.60 and 3,880,850.40

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Solution

The fourth proportional to 7,240,082.40, 10,860,123.60 and 3,880,850.40 is: 5,821,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,082.40 : 10,860,123.60 = 3,880,850.40 : x
  2. Step 2: Convert to fraction form
    7,240,082.40/10,860,123.60 = 3,880,850.40/x
  3. Step 3: Cross multiply
    7,240,082.40x = 10,860,123.60 × 3,880,850.40
  4. Step 4: Simplify right side
    7,240,082.40x = 42,146,515,017,109.44
  5. Step 5: Solve for x
    x = 42,146,515,017,109.44/7,240,082.40
  6. Step 6: Final answer
    x = 5,821,275.60

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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.