Home / 20,285,287.80-30,429,338.22-8,154,756.06

Finding the Fourth Proportional to 20,285,287.80, 30,429,338.22 and 8,154,756.06

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Solution

The fourth proportional to 20,285,287.80, 30,429,338.22 and 8,154,756.06 is: 12,232,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285,287.80 : 30,429,338.22 = 8,154,756.06 : x
  2. Step 2: Convert to fraction form
    20,285,287.80/30,429,338.22 = 8,154,756.06/x
  3. Step 3: Cross multiply
    20,285,287.80x = 30,429,338.22 × 8,154,756.06
  4. Step 4: Simplify right side
    20,285,287.80x = 248,143,830,251,334.59
  5. Step 5: Solve for x
    x = 248,143,830,251,334.59/20,285,287.80
  6. Step 6: Final answer
    x = 12,232,699.52

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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.