Home / 9,542,142.53-13,168,213.95-5,191,259.97

Finding the Fourth Proportional to 9,542,142.53, 13,168,213.95 and 5,191,259.97

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Solution

The fourth proportional to 9,542,142.53, 13,168,213.95 and 5,191,259.97 is: 7,163,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542,142.53 : 13,168,213.95 = 5,191,259.97 : x
  2. Step 2: Convert to fraction form
    9,542,142.53/13,168,213.95 = 5,191,259.97/x
  3. Step 3: Cross multiply
    9,542,142.53x = 13,168,213.95 × 5,191,259.97
  4. Step 4: Simplify right side
    9,542,142.53x = 68,359,621,955,030.57
  5. Step 5: Solve for x
    x = 68,359,621,955,030.57/9,542,142.53
  6. Step 6: Final answer
    x = 7,163,969.91

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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.