Home / 7,716,425.54-10,649,145.87-4,278,666.56

Finding the Fourth Proportional to 7,716,425.54, 10,649,145.87 and 4,278,666.56

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Solution

The fourth proportional to 7,716,425.54, 10,649,145.87 and 4,278,666.56 is: 5,904,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,425.54 : 10,649,145.87 = 4,278,666.56 : x
  2. Step 2: Convert to fraction form
    7,716,425.54/10,649,145.87 = 4,278,666.56/x
  3. Step 3: Cross multiply
    7,716,425.54x = 10,649,145.87 × 4,278,666.56
  4. Step 4: Simplify right side
    7,716,425.54x = 45,564,144,273,285.38
  5. Step 5: Solve for x
    x = 45,564,144,273,285.38/7,716,425.54
  6. Step 6: Final answer
    x = 5,904,825.24

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Double scale
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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.