Home / 26,209,881.20-39,314,821.80-18,557,130.80

Finding the Fourth Proportional to 26,209,881.20, 39,314,821.80 and 18,557,130.80

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Solution

The fourth proportional to 26,209,881.20, 39,314,821.80 and 18,557,130.80 is: 27,835,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209,881.20 : 39,314,821.80 = 18,557,130.80 : x
  2. Step 2: Convert to fraction form
    26,209,881.20/39,314,821.80 = 18,557,130.80/x
  3. Step 3: Cross multiply
    26,209,881.20x = 39,314,821.80 × 18,557,130.80
  4. Step 4: Simplify right side
    26,209,881.20x = 729,570,290,521,291.38
  5. Step 5: Solve for x
    x = 729,570,290,521,291.38/26,209,881.20
  6. Step 6: Final answer
    x = 27,835,696.20

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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.