Home / 29,312,815.20-43,984,969.20-12,275,210.40

Finding the Fourth Proportional to 29,312,815.20, 43,984,969.20 and 12,275,210.40

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Solution

The fourth proportional to 29,312,815.20, 43,984,969.20 and 12,275,210.40 is: 18,419,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312,815.20 : 43,984,969.20 = 12,275,210.40 : x
  2. Step 2: Convert to fraction form
    29,312,815.20/43,984,969.20 = 12,275,210.40/x
  3. Step 3: Cross multiply
    29,312,815.20x = 43,984,969.20 × 12,275,210.40
  4. Step 4: Simplify right side
    29,312,815.20x = 539,924,751,367,519.75
  5. Step 5: Solve for x
    x = 539,924,751,367,519.75/29,312,815.20
  6. Step 6: Final answer
    x = 18,419,409.66

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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.