Home / 13,375,864.60-18,460,268.94-7,943,356.60

Finding the Fourth Proportional to 13,375,864.60, 18,460,268.94 and 7,943,356.60

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Solution

The fourth proportional to 13,375,864.60, 18,460,268.94 and 7,943,356.60 is: 10,962,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,864.60 : 18,460,268.94 = 7,943,356.60 : x
  2. Step 2: Convert to fraction form
    13,375,864.60/18,460,268.94 = 7,943,356.60/x
  3. Step 3: Cross multiply
    13,375,864.60x = 18,460,268.94 × 7,943,356.60
  4. Step 4: Simplify right side
    13,375,864.60x = 146,636,499,122,324
  5. Step 5: Solve for x
    x = 146,636,499,122,324/13,375,864.60
  6. Step 6: Final answer
    x = 10,962,767.90

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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.