Home / 12,424,082.40-17,145,198.54-6,991,574.40

Finding the Fourth Proportional to 12,424,082.40, 17,145,198.54 and 6,991,574.40

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Solution

The fourth proportional to 12,424,082.40, 17,145,198.54 and 6,991,574.40 is: 9,648,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424,082.40 : 17,145,198.54 = 6,991,574.40 : x
  2. Step 2: Convert to fraction form
    12,424,082.40/17,145,198.54 = 6,991,574.40/x
  3. Step 3: Cross multiply
    12,424,082.40x = 17,145,198.54 × 6,991,574.40
  4. Step 4: Simplify right side
    12,424,082.40x = 119,871,931,195,181.38
  5. Step 5: Solve for x
    x = 119,871,931,195,181.38/12,424,082.40
  6. Step 6: Final answer
    x = 9,648,352.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.