Home / 15,442,141.92-23,141,440.32-8,528,738.40

Finding the Fourth Proportional to 15,442,141.92, 23,141,440.32 and 8,528,738.40

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Solution

The fourth proportional to 15,442,141.92, 23,141,440.32 and 8,528,738.40 is: 12,781,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,141.92 : 23,141,440.32 = 8,528,738.40 : x
  2. Step 2: Convert to fraction form
    15,442,141.92/23,141,440.32 = 8,528,738.40/x
  3. Step 3: Cross multiply
    15,442,141.92x = 23,141,440.32 × 8,528,738.40
  4. Step 4: Simplify right side
    15,442,141.92x = 197,367,290,688,492.31
  5. Step 5: Solve for x
    x = 197,367,290,688,492.31/15,442,141.92
  6. Step 6: Final answer
    x = 12,781,082.55

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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.