Home / 15,562,377.14-21,477,902.10-12,944,262.20

Finding the Fourth Proportional to 15,562,377.14, 21,477,902.10 and 12,944,262.20

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Solution

The fourth proportional to 15,562,377.14, 21,477,902.10 and 12,944,262.20 is: 17,864,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562,377.14 : 21,477,902.10 = 12,944,262.20 : x
  2. Step 2: Convert to fraction form
    15,562,377.14/21,477,902.10 = 12,944,262.20/x
  3. Step 3: Cross multiply
    15,562,377.14x = 21,477,902.10 × 12,944,262.20
  4. Step 4: Simplify right side
    15,562,377.14x = 278,015,596,288,330.62
  5. Step 5: Solve for x
    x = 278,015,596,288,330.62/15,562,377.14
  6. Step 6: Final answer
    x = 17,864,597.02

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1.5x scale

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.