Home / 15,585,954.58-21,509,281.57-8,710,436.44

Finding the Fourth Proportional to 15,585,954.58, 21,509,281.57 and 8,710,436.44

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Solution

The fourth proportional to 15,585,954.58, 21,509,281.57 and 8,710,436.44 is: 12,020,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,954.58 : 21,509,281.57 = 8,710,436.44 : x
  2. Step 2: Convert to fraction form
    15,585,954.58/21,509,281.57 = 8,710,436.44/x
  3. Step 3: Cross multiply
    15,585,954.58x = 21,509,281.57 × 8,710,436.44
  4. Step 4: Simplify right side
    15,585,954.58x = 187,355,229,878,002.03
  5. Step 5: Solve for x
    x = 187,355,229,878,002.03/15,585,954.58
  6. Step 6: Final answer
    x = 12,020,773.51

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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.