Home / 15,051,894.84-20,772,185.87-8,436,605.57

Finding the Fourth Proportional to 15,051,894.84, 20,772,185.87 and 8,436,605.57

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Solution

The fourth proportional to 15,051,894.84, 20,772,185.87 and 8,436,605.57 is: 11,642,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,894.84 : 20,772,185.87 = 8,436,605.57 : x
  2. Step 2: Convert to fraction form
    15,051,894.84/20,772,185.87 = 8,436,605.57/x
  3. Step 3: Cross multiply
    15,051,894.84x = 20,772,185.87 × 8,436,605.57
  4. Step 4: Simplify right side
    15,051,894.84x = 175,246,738,865,873.31
  5. Step 5: Solve for x
    x = 175,246,738,865,873.31/15,051,894.84
  6. Step 6: Final answer
    x = 11,642,835.72

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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.