Home / 12,685,142.92-17,505,543.06-6,883,922.92

Finding the Fourth Proportional to 12,685,142.92, 17,505,543.06 and 6,883,922.92

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Solution

The fourth proportional to 12,685,142.92, 17,505,543.06 and 6,883,922.92 is: 9,499,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685,142.92 : 17,505,543.06 = 6,883,922.92 : x
  2. Step 2: Convert to fraction form
    12,685,142.92/17,505,543.06 = 6,883,922.92/x
  3. Step 3: Cross multiply
    12,685,142.92x = 17,505,543.06 × 6,883,922.92
  4. Step 4: Simplify right side
    12,685,142.92x = 120,506,809,097,780.92
  5. Step 5: Solve for x
    x = 120,506,809,097,780.92/12,685,142.92
  6. Step 6: Final answer
    x = 9,499,838.50

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Double scale
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1.5x scale

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.