Home / 40,865,148.12-61,312,668.98-19,015,947.88

Finding the Fourth Proportional to 40,865,148.12, 61,312,668.98 and 19,015,947.88

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Solution

The fourth proportional to 40,865,148.12, 61,312,668.98 and 19,015,947.88 is: 28,530,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865,148.12 : 61,312,668.98 = 19,015,947.88 : x
  2. Step 2: Convert to fraction form
    40,865,148.12/61,312,668.98 = 19,015,947.88/x
  3. Step 3: Cross multiply
    40,865,148.12x = 61,312,668.98 × 19,015,947.88
  4. Step 4: Simplify right side
    40,865,148.12x = 1,165,918,517,707,372.75
  5. Step 5: Solve for x
    x = 1,165,918,517,707,372.75/40,865,148.12
  6. Step 6: Final answer
    x = 28,530,877.08

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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.