Home / 15,781,071.65-23,650,680.61-8,104,406.40

Finding the Fourth Proportional to 15,781,071.65, 23,650,680.61 and 8,104,406.40

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Solution

The fourth proportional to 15,781,071.65, 23,650,680.61 and 8,104,406.40 is: 12,145,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,071.65 : 23,650,680.61 = 8,104,406.40 : x
  2. Step 2: Convert to fraction form
    15,781,071.65/23,650,680.61 = 8,104,406.40/x
  3. Step 3: Cross multiply
    15,781,071.65x = 23,650,680.61 × 8,104,406.40
  4. Step 4: Simplify right side
    15,781,071.65x = 191,674,727,310,170.41
  5. Step 5: Solve for x
    x = 191,674,727,310,170.41/15,781,071.65
  6. Step 6: Final answer
    x = 12,145,862.56

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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.