Home / 11,787,065.60-17,664,009.60-8,730,579.20

Finding the Fourth Proportional to 11,787,065.60, 17,664,009.60 and 8,730,579.20

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Solution

The fourth proportional to 11,787,065.60, 17,664,009.60 and 8,730,579.20 is: 13,083,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,065.60 : 17,664,009.60 = 8,730,579.20 : x
  2. Step 2: Convert to fraction form
    11,787,065.60/17,664,009.60 = 8,730,579.20/x
  3. Step 3: Cross multiply
    11,787,065.60x = 17,664,009.60 × 8,730,579.20
  4. Step 4: Simplify right side
    11,787,065.60x = 154,217,034,802,360.31
  5. Step 5: Solve for x
    x = 154,217,034,802,360.31/11,787,065.60
  6. Step 6: Final answer
    x = 13,083,581.62

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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.