Home / 7,516,275.54-10,372,467.13-4,078,516.57

Finding the Fourth Proportional to 7,516,275.54, 10,372,467.13 and 4,078,516.57

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Solution

The fourth proportional to 7,516,275.54, 10,372,467.13 and 4,078,516.57 is: 5,628,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,275.54 : 10,372,467.13 = 4,078,516.57 : x
  2. Step 2: Convert to fraction form
    7,516,275.54/10,372,467.13 = 4,078,516.57/x
  3. Step 3: Cross multiply
    7,516,275.54x = 10,372,467.13 × 4,078,516.57
  4. Step 4: Simplify right side
    7,516,275.54x = 42,304,279,106,644.67
  5. Step 5: Solve for x
    x = 42,304,279,106,644.67/7,516,275.54
  6. Step 6: Final answer
    x = 5,628,356.61

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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.