Home / 7,516,277.54-10,372,469.89-4,078,518.57

Finding the Fourth Proportional to 7,516,277.54, 10,372,469.89 and 4,078,518.57

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Solution

The fourth proportional to 7,516,277.54, 10,372,469.89 and 4,078,518.57 is: 5,628,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,277.54 : 10,372,469.89 = 4,078,518.57 : x
  2. Step 2: Convert to fraction form
    7,516,277.54/10,372,469.89 = 4,078,518.57/x
  3. Step 3: Cross multiply
    7,516,277.54x = 10,372,469.89 × 4,078,518.57
  4. Step 4: Simplify right side
    7,516,277.54x = 42,304,311,063,130.86
  5. Step 5: Solve for x
    x = 42,304,311,063,130.86/7,516,277.54
  6. Step 6: Final answer
    x = 5,628,359.36

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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.