Home / 38,719,779.50-53,436,418.91-22,201,440.90

Finding the Fourth Proportional to 38,719,779.50, 53,436,418.91 and 22,201,440.90

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Solution

The fourth proportional to 38,719,779.50, 53,436,418.91 and 22,201,440.90 is: 30,639,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719,779.50 : 53,436,418.91 = 22,201,440.90 : x
  2. Step 2: Convert to fraction form
    38,719,779.50/53,436,418.91 = 22,201,440.90/x
  3. Step 3: Cross multiply
    38,719,779.50x = 53,436,418.91 × 22,201,440.90
  4. Step 4: Simplify right side
    38,719,779.50x = 1,186,365,496,338,007.25
  5. Step 5: Solve for x
    x = 1,186,365,496,338,007.25/38,719,779.50
  6. Step 6: Final answer
    x = 30,639,779.25

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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.