Home / 28,964,600.60-39,971,558.23-15,913,065.74

Finding the Fourth Proportional to 28,964,600.60, 39,971,558.23 and 15,913,065.74

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Solution

The fourth proportional to 28,964,600.60, 39,971,558.23 and 15,913,065.74 is: 21,960,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,600.60 : 39,971,558.23 = 15,913,065.74 : x
  2. Step 2: Convert to fraction form
    28,964,600.60/39,971,558.23 = 15,913,065.74/x
  3. Step 3: Cross multiply
    28,964,600.60x = 39,971,558.23 × 15,913,065.74
  4. Step 4: Simplify right side
    28,964,600.60x = 636,070,033,844,228
  5. Step 5: Solve for x
    x = 636,070,033,844,228/28,964,600.60
  6. Step 6: Final answer
    x = 21,960,255.65

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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.