Home / 38,480,941.49-53,103,042.90-20,839,700.75

Finding the Fourth Proportional to 38,480,941.49, 53,103,042.90 and 20,839,700.75

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Solution

The fourth proportional to 38,480,941.49, 53,103,042.90 and 20,839,700.75 is: 28,758,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480,941.49 : 53,103,042.90 = 20,839,700.75 : x
  2. Step 2: Convert to fraction form
    38,480,941.49/53,103,042.90 = 20,839,700.75/x
  3. Step 3: Cross multiply
    38,480,941.49x = 53,103,042.90 × 20,839,700.75
  4. Step 4: Simplify right side
    38,480,941.49x = 1,106,651,522,684,897
  5. Step 5: Solve for x
    x = 1,106,651,522,684,897/38,480,941.49
  6. Step 6: Final answer
    x = 28,758,431.58

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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.