Home / 29,127,821.40-43,691,732.10-12,121,709.40

Finding the Fourth Proportional to 29,127,821.40, 43,691,732.10 and 12,121,709.40

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Solution

The fourth proportional to 29,127,821.40, 43,691,732.10 and 12,121,709.40 is: 18,182,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,127,821.40 : 43,691,732.10 = 12,121,709.40 : x
  2. Step 2: Convert to fraction form
    29,127,821.40/43,691,732.10 = 12,121,709.40/x
  3. Step 3: Cross multiply
    29,127,821.40x = 43,691,732.10 × 12,121,709.40
  4. Step 4: Simplify right side
    29,127,821.40x = 529,618,479,698,851.75
  5. Step 5: Solve for x
    x = 529,618,479,698,851.75/29,127,821.40
  6. Step 6: Final answer
    x = 18,182,564.10

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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.