Home / 14,255,999.20-21,383,998.80-8,870,730.40

Finding the Fourth Proportional to 14,255,999.20, 21,383,998.80 and 8,870,730.40

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Solution

The fourth proportional to 14,255,999.20, 21,383,998.80 and 8,870,730.40 is: 13,306,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,999.20 : 21,383,998.80 = 8,870,730.40 : x
  2. Step 2: Convert to fraction form
    14,255,999.20/21,383,998.80 = 8,870,730.40/x
  3. Step 3: Cross multiply
    14,255,999.20x = 21,383,998.80 × 8,870,730.40
  4. Step 4: Simplify right side
    14,255,999.20x = 189,691,688,228,723.53
  5. Step 5: Solve for x
    x = 189,691,688,228,723.53/14,255,999.20
  6. Step 6: Final answer
    x = 13,306,095.60

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Similar ratio
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1.5x scale

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.