Home / 10,019,829.76-15,029,790-4,261,079.68

Finding the Fourth Proportional to 10,019,829.76, 15,029,790 and 4,261,079.68

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Solution

The fourth proportional to 10,019,829.76, 15,029,790 and 4,261,079.68 is: 6,391,638.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019,829.76 : 15,029,790 = 4,261,079.68 : x
  2. Step 2: Convert to fraction form
    10,019,829.76/15,029,790 = 4,261,079.68/x
  3. Step 3: Cross multiply
    10,019,829.76x = 15,029,790 × 4,261,079.68
  4. Step 4: Simplify right side
    10,019,829.76x = 64,043,132,763,667.20
  5. Step 5: Solve for x
    x = 64,043,132,763,667.20/10,019,829.76
  6. Step 6: Final answer
    x = 6,391,638.81

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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.