Home / 21,314,764.95-31,976,091.69-6,745,351.41

Finding the Fourth Proportional to 21,314,764.95, 31,976,091.69 and 6,745,351.41

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Solution

The fourth proportional to 21,314,764.95, 31,976,091.69 and 6,745,351.41 is: 10,119,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,764.95 : 31,976,091.69 = 6,745,351.41 : x
  2. Step 2: Convert to fraction form
    21,314,764.95/31,976,091.69 = 6,745,351.41/x
  3. Step 3: Cross multiply
    21,314,764.95x = 31,976,091.69 × 6,745,351.41
  4. Step 4: Simplify right side
    21,314,764.95x = 215,689,975,167,430.78
  5. Step 5: Solve for x
    x = 215,689,975,167,430.78/21,314,764.95
  6. Step 6: Final answer
    x = 10,119,275.33

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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.