Home / 21,002,366.08-28,983,093.60-11,709,825.76

Finding the Fourth Proportional to 21,002,366.08, 28,983,093.60 and 11,709,825.76

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Solution

The fourth proportional to 21,002,366.08, 28,983,093.60 and 11,709,825.76 is: 16,159,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,366.08 : 28,983,093.60 = 11,709,825.76 : x
  2. Step 2: Convert to fraction form
    21,002,366.08/28,983,093.60 = 11,709,825.76/x
  3. Step 3: Cross multiply
    21,002,366.08x = 28,983,093.60 × 11,709,825.76
  4. Step 4: Simplify right side
    21,002,366.08x = 339,386,976,041,771.12
  5. Step 5: Solve for x
    x = 339,386,976,041,771.12/21,002,366.08
  6. Step 6: Final answer
    x = 16,159,463.88

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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.