Home / 28,677,680.60-43,016,481.82-13,316,570.47

Finding the Fourth Proportional to 28,677,680.60, 43,016,481.82 and 13,316,570.47

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Solution

The fourth proportional to 28,677,680.60, 43,016,481.82 and 13,316,570.47 is: 19,974,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,680.60 : 43,016,481.82 = 13,316,570.47 : x
  2. Step 2: Convert to fraction form
    28,677,680.60/43,016,481.82 = 13,316,570.47/x
  3. Step 3: Cross multiply
    28,677,680.60x = 43,016,481.82 × 13,316,570.47
  4. Step 4: Simplify right side
    28,677,680.60x = 572,832,011,245,838.50
  5. Step 5: Solve for x
    x = 572,832,011,245,838.50/28,677,680.60
  6. Step 6: Final answer
    x = 19,974,837.55

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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.