Home / 28,124,097.42-38,810,968.52-15,565,176.50

Finding the Fourth Proportional to 28,124,097.42, 38,810,968.52 and 15,565,176.50

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Solution

The fourth proportional to 28,124,097.42, 38,810,968.52 and 15,565,176.50 is: 21,479,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,097.42 : 38,810,968.52 = 15,565,176.50 : x
  2. Step 2: Convert to fraction form
    28,124,097.42/38,810,968.52 = 15,565,176.50/x
  3. Step 3: Cross multiply
    28,124,097.42x = 38,810,968.52 × 15,565,176.50
  4. Step 4: Simplify right side
    28,124,097.42x = 604,099,575,149,743.88
  5. Step 5: Solve for x
    x = 604,099,575,149,743.88/28,124,097.42
  6. Step 6: Final answer
    x = 21,479,785.33

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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.