Home / 28,545,516.92-39,392,851.38-15,492,775.84

Finding the Fourth Proportional to 28,545,516.92, 39,392,851.38 and 15,492,775.84

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Solution

The fourth proportional to 28,545,516.92, 39,392,851.38 and 15,492,775.84 is: 21,380,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,516.92 : 39,392,851.38 = 15,492,775.84 : x
  2. Step 2: Convert to fraction form
    28,545,516.92/39,392,851.38 = 15,492,775.84/x
  3. Step 3: Cross multiply
    28,545,516.92x = 39,392,851.38 × 15,492,775.84
  4. Step 4: Simplify right side
    28,545,516.92x = 610,304,616,128,774.75
  5. Step 5: Solve for x
    x = 610,304,616,128,774.75/28,545,516.92
  6. Step 6: Final answer
    x = 21,380,051.30

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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.