Home / 39,196,854.56-54,088,850.96-21,556,999.20

Finding the Fourth Proportional to 39,196,854.56, 54,088,850.96 and 21,556,999.20

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Solution

The fourth proportional to 39,196,854.56, 54,088,850.96 and 21,556,999.20 is: 29,747,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,196,854.56 : 54,088,850.96 = 21,556,999.20 : x
  2. Step 2: Convert to fraction form
    39,196,854.56/54,088,850.96 = 21,556,999.20/x
  3. Step 3: Cross multiply
    39,196,854.56x = 54,088,850.96 × 21,556,999.20
  4. Step 4: Simplify right side
    39,196,854.56x = 1,165,993,316,873,639.25
  5. Step 5: Solve for x
    x = 1,165,993,316,873,639.25/39,196,854.56
  6. Step 6: Final answer
    x = 29,747,114.40

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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.