Home / 15,562,376.14-21,477,900.72-12,944,261.20

Finding the Fourth Proportional to 15,562,376.14, 21,477,900.72 and 12,944,261.20

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Solution

The fourth proportional to 15,562,376.14, 21,477,900.72 and 12,944,261.20 is: 17,864,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562,376.14 : 21,477,900.72 = 12,944,261.20 : x
  2. Step 2: Convert to fraction form
    15,562,376.14/21,477,900.72 = 12,944,261.20/x
  3. Step 3: Cross multiply
    15,562,376.14x = 21,477,900.72 × 12,944,261.20
  4. Step 4: Simplify right side
    15,562,376.14x = 278,015,556,947,348.03
  5. Step 5: Solve for x
    x = 278,015,556,947,348.03/15,562,376.14
  6. Step 6: Final answer
    x = 17,864,595.64

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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.