Home / 13,105,234.60-19,657,851.90-12,358,738.60

Finding the Fourth Proportional to 13,105,234.60, 19,657,851.90 and 12,358,738.60

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Solution

The fourth proportional to 13,105,234.60, 19,657,851.90 and 12,358,738.60 is: 18,538,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,234.60 : 19,657,851.90 = 12,358,738.60 : x
  2. Step 2: Convert to fraction form
    13,105,234.60/19,657,851.90 = 12,358,738.60/x
  3. Step 3: Cross multiply
    13,105,234.60x = 19,657,851.90 × 12,358,738.60
  4. Step 4: Simplify right side
    13,105,234.60x = 242,946,253,069,613.31
  5. Step 5: Solve for x
    x = 242,946,253,069,613.31/13,105,234.60
  6. Step 6: Final answer
    x = 18,538,107.90

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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.