Home / 10,150,659.18-15,190,408.10-7,275,191.58

Finding the Fourth Proportional to 10,150,659.18, 15,190,408.10 and 7,275,191.58

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Solution

The fourth proportional to 10,150,659.18, 15,190,408.10 and 7,275,191.58 is: 10,887,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150,659.18 : 15,190,408.10 = 7,275,191.58 : x
  2. Step 2: Convert to fraction form
    10,150,659.18/15,190,408.10 = 7,275,191.58/x
  3. Step 3: Cross multiply
    10,150,659.18x = 15,190,408.10 × 7,275,191.58
  4. Step 4: Simplify right side
    10,150,659.18x = 110,513,129,124,071.77
  5. Step 5: Solve for x
    x = 110,513,129,124,071.77/10,150,659.18
  6. Step 6: Final answer
    x = 10,887,285.95

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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.