Home / 13,243,918.59-18,276,363.59-7,442,616.78

Finding the Fourth Proportional to 13,243,918.59, 18,276,363.59 and 7,442,616.78

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Solution

The fourth proportional to 13,243,918.59, 18,276,363.59 and 7,442,616.78 is: 10,270,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243,918.59 : 18,276,363.59 = 7,442,616.78 : x
  2. Step 2: Convert to fraction form
    13,243,918.59/18,276,363.59 = 7,442,616.78/x
  3. Step 3: Cross multiply
    13,243,918.59x = 18,276,363.59 × 7,442,616.78
  4. Step 4: Simplify right side
    13,243,918.59x = 136,023,970,295,101.97
  5. Step 5: Solve for x
    x = 136,023,970,295,101.97/13,243,918.59
  6. Step 6: Final answer
    x = 10,270,674.00

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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.