Home / 13,591,995.20-18,756,276-7,480,266.56

Finding the Fourth Proportional to 13,591,995.20, 18,756,276 and 7,480,266.56

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Solution

The fourth proportional to 13,591,995.20, 18,756,276 and 7,480,266.56 is: 10,322,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,995.20 : 18,756,276 = 7,480,266.56 : x
  2. Step 2: Convert to fraction form
    13,591,995.20/18,756,276 = 7,480,266.56/x
  3. Step 3: Cross multiply
    13,591,995.20x = 18,756,276 × 7,480,266.56
  4. Step 4: Simplify right side
    13,591,995.20x = 140,301,944,152,930.55
  5. Step 5: Solve for x
    x = 140,301,944,152,930.55/13,591,995.20
  6. Step 6: Final answer
    x = 10,322,395.06

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1.5x scale

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.