Home / 21,302,014.80-31,953,022.20-17,900,792.40

Finding the Fourth Proportional to 21,302,014.80, 31,953,022.20 and 17,900,792.40

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Solution

The fourth proportional to 21,302,014.80, 31,953,022.20 and 17,900,792.40 is: 26,851,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,014.80 : 31,953,022.20 = 17,900,792.40 : x
  2. Step 2: Convert to fraction form
    21,302,014.80/31,953,022.20 = 17,900,792.40/x
  3. Step 3: Cross multiply
    21,302,014.80x = 31,953,022.20 × 17,900,792.40
  4. Step 4: Simplify right side
    21,302,014.80x = 571,984,416,954,791.25
  5. Step 5: Solve for x
    x = 571,984,416,954,791.25/21,302,014.80
  6. Step 6: Final answer
    x = 26,851,188.60

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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.