Home / 13,582,925.12-20,368,408.26-7,191,682.50

Finding the Fourth Proportional to 13,582,925.12, 20,368,408.26 and 7,191,682.50

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Solution

The fourth proportional to 13,582,925.12, 20,368,408.26 and 7,191,682.50 is: 10,784,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,925.12 : 20,368,408.26 = 7,191,682.50 : x
  2. Step 2: Convert to fraction form
    13,582,925.12/20,368,408.26 = 7,191,682.50/x
  3. Step 3: Cross multiply
    13,582,925.12x = 20,368,408.26 × 7,191,682.50
  4. Step 4: Simplify right side
    13,582,925.12x = 146,483,125,236,297.47
  5. Step 5: Solve for x
    x = 146,483,125,236,297.47/13,582,925.12
  6. Step 6: Final answer
    x = 10,784,357.86

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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.