Home / 8,168,082.30-12,252,123.45-5,312,735.10

Finding the Fourth Proportional to 8,168,082.30, 12,252,123.45 and 5,312,735.10

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Solution

The fourth proportional to 8,168,082.30, 12,252,123.45 and 5,312,735.10 is: 7,969,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,082.30 : 12,252,123.45 = 5,312,735.10 : x
  2. Step 2: Convert to fraction form
    8,168,082.30/12,252,123.45 = 5,312,735.10/x
  3. Step 3: Cross multiply
    8,168,082.30x = 12,252,123.45 × 5,312,735.10
  4. Step 4: Simplify right side
    8,168,082.30x = 65,092,286,302,348.09
  5. Step 5: Solve for x
    x = 65,092,286,302,348.09/8,168,082.30
  6. Step 6: Final answer
    x = 7,969,102.65

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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.