Home / 28,013,522.22-38,658,729.24-15,624,418.11

Finding the Fourth Proportional to 28,013,522.22, 38,658,729.24 and 15,624,418.11

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Solution

The fourth proportional to 28,013,522.22, 38,658,729.24 and 15,624,418.11 is: 21,561,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013,522.22 : 38,658,729.24 = 15,624,418.11 : x
  2. Step 2: Convert to fraction form
    28,013,522.22/38,658,729.24 = 15,624,418.11/x
  3. Step 3: Cross multiply
    28,013,522.22x = 38,658,729.24 × 15,624,418.11
  4. Step 4: Simplify right side
    28,013,522.22x = 604,020,149,247,042.50
  5. Step 5: Solve for x
    x = 604,020,149,247,042.50/28,013,522.22
  6. Step 6: Final answer
    x = 21,561,735.24

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1.5x scale

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.