Home / 15,918,947.16-21,968,925.84-8,951,817.48

Finding the Fourth Proportional to 15,918,947.16, 21,968,925.84 and 8,951,817.48

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Solution

The fourth proportional to 15,918,947.16, 21,968,925.84 and 8,951,817.48 is: 12,353,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,947.16 : 21,968,925.84 = 8,951,817.48 : x
  2. Step 2: Convert to fraction form
    15,918,947.16/21,968,925.84 = 8,951,817.48/x
  3. Step 3: Cross multiply
    15,918,947.16x = 21,968,925.84 × 8,951,817.48
  4. Step 4: Simplify right side
    15,918,947.16x = 196,661,814,351,335.69
  5. Step 5: Solve for x
    x = 196,661,814,351,335.69/15,918,947.16
  6. Step 6: Final answer
    x = 12,353,946.05

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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.