Home / 15,562,251.28-21,472,124.52-9,122,479.12

Finding the Fourth Proportional to 15,562,251.28, 21,472,124.52 and 9,122,479.12

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Solution

The fourth proportional to 15,562,251.28, 21,472,124.52 and 9,122,479.12 is: 12,586,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562,251.28 : 21,472,124.52 = 9,122,479.12 : x
  2. Step 2: Convert to fraction form
    15,562,251.28/21,472,124.52 = 9,122,479.12/x
  3. Step 3: Cross multiply
    15,562,251.28x = 21,472,124.52 × 9,122,479.12
  4. Step 4: Simplify right side
    15,562,251.28x = 195,879,007,595,740
  5. Step 5: Solve for x
    x = 195,879,007,595,740/15,562,251.28
  6. Step 6: Final answer
    x = 12,586,804.06

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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.