Home / 13,758,039.07-18,986,335.31-7,563,346.85

Finding the Fourth Proportional to 13,758,039.07, 18,986,335.31 and 7,563,346.85

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Solution

The fourth proportional to 13,758,039.07, 18,986,335.31 and 7,563,346.85 is: 10,437,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,039.07 : 18,986,335.31 = 7,563,346.85 : x
  2. Step 2: Convert to fraction form
    13,758,039.07/18,986,335.31 = 7,563,346.85/x
  3. Step 3: Cross multiply
    13,758,039.07x = 18,986,335.31 × 7,563,346.85
  4. Step 4: Simplify right side
    13,758,039.07x = 143,600,239,426,306.47
  5. Step 5: Solve for x
    x = 143,600,239,426,306.47/13,758,039.07
  6. Step 6: Final answer
    x = 10,437,551.36

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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.