Home / 20,235,943.10-30,343,417.05-7,449,866.30

Finding the Fourth Proportional to 20,235,943.10, 30,343,417.05 and 7,449,866.30

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Solution

The fourth proportional to 20,235,943.10, 30,343,417.05 and 7,449,866.30 is: 11,170,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,943.10 : 30,343,417.05 = 7,449,866.30 : x
  2. Step 2: Convert to fraction form
    20,235,943.10/30,343,417.05 = 7,449,866.30/x
  3. Step 3: Cross multiply
    20,235,943.10x = 30,343,417.05 × 7,449,866.30
  4. Step 4: Simplify right side
    20,235,943.10x = 226,054,400,107,640.41
  5. Step 5: Solve for x
    x = 226,054,400,107,640.41/20,235,943.10
  6. Step 6: Final answer
    x = 11,170,934.76

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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.