Home / 12,356,933.40-18,535,400.10-10,656,322.20

Finding the Fourth Proportional to 12,356,933.40, 18,535,400.10 and 10,656,322.20

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Solution

The fourth proportional to 12,356,933.40, 18,535,400.10 and 10,656,322.20 is: 15,984,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,933.40 : 18,535,400.10 = 10,656,322.20 : x
  2. Step 2: Convert to fraction form
    12,356,933.40/18,535,400.10 = 10,656,322.20/x
  3. Step 3: Cross multiply
    12,356,933.40x = 18,535,400.10 × 10,656,322.20
  4. Step 4: Simplify right side
    12,356,933.40x = 197,519,195,571,512.22
  5. Step 5: Solve for x
    x = 197,519,195,571,512.22/12,356,933.40
  6. Step 6: Final answer
    x = 15,984,483.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.