Home / 12,127,834.05-18,191,751.08-5,750,542.05

Finding the Fourth Proportional to 12,127,834.05, 18,191,751.08 and 5,750,542.05

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Solution

The fourth proportional to 12,127,834.05, 18,191,751.08 and 5,750,542.05 is: 8,625,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,834.05 : 18,191,751.08 = 5,750,542.05 : x
  2. Step 2: Convert to fraction form
    12,127,834.05/18,191,751.08 = 5,750,542.05/x
  3. Step 3: Cross multiply
    12,127,834.05x = 18,191,751.08 × 5,750,542.05
  4. Step 4: Simplify right side
    12,127,834.05x = 104,612,429,519,920.20
  5. Step 5: Solve for x
    x = 104,612,429,519,920.20/12,127,834.05
  6. Step 6: Final answer
    x = 8,625,813.08

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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.