Home / 13,508,281.10-18,641,433.66-7,313,327.49

Finding the Fourth Proportional to 13,508,281.10, 18,641,433.66 and 7,313,327.49

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Solution

The fourth proportional to 13,508,281.10, 18,641,433.66 and 7,313,327.49 is: 10,092,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,281.10 : 18,641,433.66 = 7,313,327.49 : x
  2. Step 2: Convert to fraction form
    13,508,281.10/18,641,433.66 = 7,313,327.49/x
  3. Step 3: Cross multiply
    13,508,281.10x = 18,641,433.66 × 7,313,327.49
  4. Step 4: Simplify right side
    13,508,281.10x = 136,330,909,281,169.72
  5. Step 5: Solve for x
    x = 136,330,909,281,169.72/13,508,281.10
  6. Step 6: Final answer
    x = 10,092,395.05

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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.