Home / 13,521,575.85-18,659,839.62-7,326,620.93

Finding the Fourth Proportional to 13,521,575.85, 18,659,839.62 and 7,326,620.93

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Solution

The fourth proportional to 13,521,575.85, 18,659,839.62 and 7,326,620.93 is: 10,110,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,575.85 : 18,659,839.62 = 7,326,620.93 : x
  2. Step 2: Convert to fraction form
    13,521,575.85/18,659,839.62 = 7,326,620.93/x
  3. Step 3: Cross multiply
    13,521,575.85x = 18,659,839.62 × 7,326,620.93
  4. Step 4: Simplify right side
    13,521,575.85x = 136,713,571,417,036.05
  5. Step 5: Solve for x
    x = 136,713,571,417,036.05/13,521,575.85
  6. Step 6: Final answer
    x = 10,110,772.07

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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.