Home / 8,870,638.10-13,305,957.15-3,191,047.70

Finding the Fourth Proportional to 8,870,638.10, 13,305,957.15 and 3,191,047.70

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Solution

The fourth proportional to 8,870,638.10, 13,305,957.15 and 3,191,047.70 is: 4,786,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,638.10 : 13,305,957.15 = 3,191,047.70 : x
  2. Step 2: Convert to fraction form
    8,870,638.10/13,305,957.15 = 3,191,047.70/x
  3. Step 3: Cross multiply
    8,870,638.10x = 13,305,957.15 × 3,191,047.70
  4. Step 4: Simplify right side
    8,870,638.10x = 42,459,943,959,806.06
  5. Step 5: Solve for x
    x = 42,459,943,959,806.06/8,870,638.10
  6. Step 6: Final answer
    x = 4,786,571.55

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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.