Home / 25,896,690-38,841,934.56-20,145,170

Finding the Fourth Proportional to 25,896,690, 38,841,934.56 and 20,145,170

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Solution

The fourth proportional to 25,896,690, 38,841,934.56 and 20,145,170 is: 30,215,343.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896,690 : 38,841,934.56 = 20,145,170 : x
  2. Step 2: Convert to fraction form
    25,896,690/38,841,934.56 = 20,145,170/x
  3. Step 3: Cross multiply
    25,896,690x = 38,841,934.56 × 20,145,170
  4. Step 4: Simplify right side
    25,896,690x = 782,477,374,840,075.25
  5. Step 5: Solve for x
    x = 782,477,374,840,075.25/25,896,690
  6. Step 6: Final answer
    x = 30,215,343.15

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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.