Home / 13,868,410.71-19,138,970.85-7,673,356.65

Finding the Fourth Proportional to 13,868,410.71, 19,138,970.85 and 7,673,356.65

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Solution

The fourth proportional to 13,868,410.71, 19,138,970.85 and 7,673,356.65 is: 10,589,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,410.71 : 19,138,970.85 = 7,673,356.65 : x
  2. Step 2: Convert to fraction form
    13,868,410.71/19,138,970.85 = 7,673,356.65/x
  3. Step 3: Cross multiply
    13,868,410.71x = 19,138,970.85 × 7,673,356.65
  4. Step 4: Simplify right side
    13,868,410.71x = 146,860,149,246,003.66
  5. Step 5: Solve for x
    x = 146,860,149,246,003.66/13,868,410.71
  6. Step 6: Final answer
    x = 10,589,544.28

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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.