Home / 28,645,867.52-39,531,801.12-15,593,500.16

Finding the Fourth Proportional to 28,645,867.52, 39,531,801.12 and 15,593,500.16

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Solution

The fourth proportional to 28,645,867.52, 39,531,801.12 and 15,593,500.16 is: 21,519,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645,867.52 : 39,531,801.12 = 15,593,500.16 : x
  2. Step 2: Convert to fraction form
    28,645,867.52/39,531,801.12 = 15,593,500.16/x
  3. Step 3: Cross multiply
    28,645,867.52x = 39,531,801.12 × 15,593,500.16
  4. Step 4: Simplify right side
    28,645,867.52x = 616,439,147,089,808.12
  5. Step 5: Solve for x
    x = 616,439,147,089,808.12/28,645,867.52
  6. Step 6: Final answer
    x = 21,519,304.54

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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.