Home / 10,134,255.60-13,985,128.44-5,784,719.76

Finding the Fourth Proportional to 10,134,255.60, 13,985,128.44 and 5,784,719.76

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Solution

The fourth proportional to 10,134,255.60, 13,985,128.44 and 5,784,719.76 is: 7,982,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,255.60 : 13,985,128.44 = 5,784,719.76 : x
  2. Step 2: Convert to fraction form
    10,134,255.60/13,985,128.44 = 5,784,719.76/x
  3. Step 3: Cross multiply
    10,134,255.60x = 13,985,128.44 × 5,784,719.76
  4. Step 4: Simplify right side
    10,134,255.60x = 80,900,048,833,005.97
  5. Step 5: Solve for x
    x = 80,900,048,833,005.97/10,134,255.60
  6. Step 6: Final answer
    x = 7,982,830.91

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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.