Home / 13,306,681.75-18,362,454.56-7,425,854.72

Finding the Fourth Proportional to 13,306,681.75, 18,362,454.56 and 7,425,854.72

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Solution

The fourth proportional to 13,306,681.75, 18,362,454.56 and 7,425,854.72 is: 10,247,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,681.75 : 18,362,454.56 = 7,425,854.72 : x
  2. Step 2: Convert to fraction form
    13,306,681.75/18,362,454.56 = 7,425,854.72/x
  3. Step 3: Cross multiply
    13,306,681.75x = 18,362,454.56 × 7,425,854.72
  4. Step 4: Simplify right side
    13,306,681.75x = 136,356,919,929,632.30
  5. Step 5: Solve for x
    x = 136,356,919,929,632.30/13,306,681.75
  6. Step 6: Final answer
    x = 10,247,251.91

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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.