Home / 28,969,245.40-43,453,868.10-13,043,997.40

Finding the Fourth Proportional to 28,969,245.40, 43,453,868.10 and 13,043,997.40

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Solution

The fourth proportional to 28,969,245.40, 43,453,868.10 and 13,043,997.40 is: 19,565,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,245.40 : 43,453,868.10 = 13,043,997.40 : x
  2. Step 2: Convert to fraction form
    28,969,245.40/43,453,868.10 = 13,043,997.40/x
  3. Step 3: Cross multiply
    28,969,245.40x = 43,453,868.10 × 13,043,997.40
  4. Step 4: Simplify right side
    28,969,245.40x = 566,812,142,516,343
  5. Step 5: Solve for x
    x = 566,812,142,516,343/28,969,245.40
  6. Step 6: Final answer
    x = 19,565,996.10

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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.