Home / 8,713,091.70-13,069,637.55-5,120,579.70

Finding the Fourth Proportional to 8,713,091.70, 13,069,637.55 and 5,120,579.70

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Solution

The fourth proportional to 8,713,091.70, 13,069,637.55 and 5,120,579.70 is: 7,680,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,091.70 : 13,069,637.55 = 5,120,579.70 : x
  2. Step 2: Convert to fraction form
    8,713,091.70/13,069,637.55 = 5,120,579.70/x
  3. Step 3: Cross multiply
    8,713,091.70x = 13,069,637.55 × 5,120,579.70
  4. Step 4: Simplify right side
    8,713,091.70x = 66,924,120,724,887.74
  5. Step 5: Solve for x
    x = 66,924,120,724,887.74/8,713,091.70
  6. Step 6: Final answer
    x = 7,680,869.55

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Similar ratio
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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.