Home / 29,312,528.70-43,968,793.05-12,292,419.90

Finding the Fourth Proportional to 29,312,528.70, 43,968,793.05 and 12,292,419.90

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Solution

The fourth proportional to 29,312,528.70, 43,968,793.05 and 12,292,419.90 is: 18,438,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312,528.70 : 43,968,793.05 = 12,292,419.90 : x
  2. Step 2: Convert to fraction form
    29,312,528.70/43,968,793.05 = 12,292,419.90/x
  3. Step 3: Cross multiply
    29,312,528.70x = 43,968,793.05 × 12,292,419.90
  4. Step 4: Simplify right side
    29,312,528.70x = 540,482,866,666,801.69
  5. Step 5: Solve for x
    x = 540,482,866,666,801.69/29,312,528.70
  6. Step 6: Final answer
    x = 18,438,629.85

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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.