Home / 29,312,814.20-43,984,967.70-12,275,209.40

Finding the Fourth Proportional to 29,312,814.20, 43,984,967.70 and 12,275,209.40

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Solution

The fourth proportional to 29,312,814.20, 43,984,967.70 and 12,275,209.40 is: 18,419,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312,814.20 : 43,984,967.70 = 12,275,209.40 : x
  2. Step 2: Convert to fraction form
    29,312,814.20/43,984,967.70 = 12,275,209.40/x
  3. Step 3: Cross multiply
    29,312,814.20x = 43,984,967.70 × 12,275,209.40
  4. Step 4: Simplify right side
    29,312,814.20x = 539,924,688,969,736.44
  5. Step 5: Solve for x
    x = 539,924,688,969,736.44/29,312,814.20
  6. Step 6: Final answer
    x = 18,419,408.16

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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.