Home / 28,216,002.84-38,937,579.66-15,826,122.84

Finding the Fourth Proportional to 28,216,002.84, 38,937,579.66 and 15,826,122.84

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Solution

The fourth proportional to 28,216,002.84, 38,937,579.66 and 15,826,122.84 is: 21,839,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216,002.84 : 38,937,579.66 = 15,826,122.84 : x
  2. Step 2: Convert to fraction form
    28,216,002.84/38,937,579.66 = 15,826,122.84/x
  3. Step 3: Cross multiply
    28,216,002.84x = 38,937,579.66 × 15,826,122.84
  4. Step 4: Simplify right side
    28,216,002.84x = 616,230,918,791,445.38
  5. Step 5: Solve for x
    x = 616,230,918,791,445.38/28,216,002.84
  6. Step 6: Final answer
    x = 21,839,766.68

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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.