Home / 39,167,832.80-54,050,535.04-21,763,731.20

Finding the Fourth Proportional to 39,167,832.80, 54,050,535.04 and 21,763,731.20

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Solution

The fourth proportional to 39,167,832.80, 54,050,535.04 and 21,763,731.20 is: 30,033,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167,832.80 : 54,050,535.04 = 21,763,731.20 : x
  2. Step 2: Convert to fraction form
    39,167,832.80/54,050,535.04 = 21,763,731.20/x
  3. Step 3: Cross multiply
    39,167,832.80x = 54,050,535.04 × 21,763,731.20
  4. Step 4: Simplify right side
    39,167,832.80x = 1,176,341,315,826,741.25
  5. Step 5: Solve for x
    x = 1,176,341,315,826,741.25/39,167,832.80
  6. Step 6: Final answer
    x = 30,033,352.16

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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.