Home / 10,078,455.38-15,110,595.03-4,681,375.70

Finding the Fourth Proportional to 10,078,455.38, 15,110,595.03 and 4,681,375.70

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Solution

The fourth proportional to 10,078,455.38, 15,110,595.03 and 4,681,375.70 is: 7,018,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,455.38 : 15,110,595.03 = 4,681,375.70 : x
  2. Step 2: Convert to fraction form
    10,078,455.38/15,110,595.03 = 4,681,375.70/x
  3. Step 3: Cross multiply
    10,078,455.38x = 15,110,595.03 × 4,681,375.70
  4. Step 4: Simplify right side
    10,078,455.38x = 70,738,372,385,982.77
  5. Step 5: Solve for x
    x = 70,738,372,385,982.77/10,078,455.38
  6. Step 6: Final answer
    x = 7,018,771.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.