Home / 28,201,611.60-38,916,275.42-15,641,481.06

Finding the Fourth Proportional to 28,201,611.60, 38,916,275.42 and 15,641,481.06

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Solution

The fourth proportional to 28,201,611.60, 38,916,275.42 and 15,641,481.06 is: 21,584,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201,611.60 : 38,916,275.42 = 15,641,481.06 : x
  2. Step 2: Convert to fraction form
    28,201,611.60/38,916,275.42 = 15,641,481.06/x
  3. Step 3: Cross multiply
    28,201,611.60x = 38,916,275.42 × 15,641,481.06
  4. Step 4: Simplify right side
    28,201,611.60x = 608,708,184,829,466.12
  5. Step 5: Solve for x
    x = 608,708,184,829,466.12/28,201,611.60
  6. Step 6: Final answer
    x = 21,584,163.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.