Home / 12,442,917.40-18,664,376.10-10,317,153.40

Finding the Fourth Proportional to 12,442,917.40, 18,664,376.10 and 10,317,153.40

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Solution

The fourth proportional to 12,442,917.40, 18,664,376.10 and 10,317,153.40 is: 15,475,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,917.40 : 18,664,376.10 = 10,317,153.40 : x
  2. Step 2: Convert to fraction form
    12,442,917.40/18,664,376.10 = 10,317,153.40/x
  3. Step 3: Cross multiply
    12,442,917.40x = 18,664,376.10 × 10,317,153.40
  4. Step 4: Simplify right side
    12,442,917.40x = 192,563,231,338,993.75
  5. Step 5: Solve for x
    x = 192,563,231,338,993.75/12,442,917.40
  6. Step 6: Final answer
    x = 15,475,730.10

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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.