Home / 15,017,730.96-20,724,876.78-8,492,336.76

Finding the Fourth Proportional to 15,017,730.96, 20,724,876.78 and 8,492,336.76

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Solution

The fourth proportional to 15,017,730.96, 20,724,876.78 and 8,492,336.76 is: 11,719,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017,730.96 : 20,724,876.78 = 8,492,336.76 : x
  2. Step 2: Convert to fraction form
    15,017,730.96/20,724,876.78 = 8,492,336.76/x
  3. Step 3: Cross multiply
    15,017,730.96x = 20,724,876.78 × 8,492,336.76
  4. Step 4: Simplify right side
    15,017,730.96x = 176,002,632,925,264.44
  5. Step 5: Solve for x
    x = 176,002,632,925,264.44/15,017,730.96
  6. Step 6: Final answer
    x = 11,719,655.48

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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.