Home / 7,639,770.12-10,543,082.25-4,202,101.38

Finding the Fourth Proportional to 7,639,770.12, 10,543,082.25 and 4,202,101.38

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Solution

The fourth proportional to 7,639,770.12, 10,543,082.25 and 4,202,101.38 is: 5,799,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,770.12 : 10,543,082.25 = 4,202,101.38 : x
  2. Step 2: Convert to fraction form
    7,639,770.12/10,543,082.25 = 4,202,101.38/x
  3. Step 3: Cross multiply
    7,639,770.12x = 10,543,082.25 × 4,202,101.38
  4. Step 4: Simplify right side
    7,639,770.12x = 44,303,100,472,178.50
  5. Step 5: Solve for x
    x = 44,303,100,472,178.50/7,639,770.12
  6. Step 6: Final answer
    x = 5,799,009.63

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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.