Home / 17,680,879.20-26,521,318.80-6,321,698.40

Finding the Fourth Proportional to 17,680,879.20, 26,521,318.80 and 6,321,698.40

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Solution

The fourth proportional to 17,680,879.20, 26,521,318.80 and 6,321,698.40 is: 9,482,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,879.20 : 26,521,318.80 = 6,321,698.40 : x
  2. Step 2: Convert to fraction form
    17,680,879.20/26,521,318.80 = 6,321,698.40/x
  3. Step 3: Cross multiply
    17,680,879.20x = 26,521,318.80 × 6,321,698.40
  4. Step 4: Simplify right side
    17,680,879.20x = 167,659,778,623,849.94
  5. Step 5: Solve for x
    x = 167,659,778,623,849.94/17,680,879.20
  6. Step 6: Final answer
    x = 9,482,547.60

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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.