Home / 30,640,017.88-45,948,069.14-13,373,499.80

Finding the Fourth Proportional to 30,640,017.88, 45,948,069.14 and 13,373,499.80

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Solution

The fourth proportional to 30,640,017.88, 45,948,069.14 and 13,373,499.80 is: 20,055,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,017.88 : 45,948,069.14 = 13,373,499.80 : x
  2. Step 2: Convert to fraction form
    30,640,017.88/45,948,069.14 = 13,373,499.80/x
  3. Step 3: Cross multiply
    30,640,017.88x = 45,948,069.14 × 13,373,499.80
  4. Step 4: Simplify right side
    30,640,017.88x = 614,486,493,454,176.25
  5. Step 5: Solve for x
    x = 614,486,493,454,176.25/30,640,017.88
  6. Step 6: Final answer
    x = 20,055,030.51

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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.