Home / 21,002,365.08-28,983,092.22-11,709,824.76

Finding the Fourth Proportional to 21,002,365.08, 28,983,092.22 and 11,709,824.76

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Solution

The fourth proportional to 21,002,365.08, 28,983,092.22 and 11,709,824.76 is: 16,159,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,365.08 : 28,983,092.22 = 11,709,824.76 : x
  2. Step 2: Convert to fraction form
    21,002,365.08/28,983,092.22 = 11,709,824.76/x
  3. Step 3: Cross multiply
    21,002,365.08x = 28,983,092.22 × 11,709,824.76
  4. Step 4: Simplify right side
    21,002,365.08x = 339,386,930,899,119.38
  5. Step 5: Solve for x
    x = 339,386,930,899,119.38/21,002,365.08
  6. Step 6: Final answer
    x = 16,159,462.50

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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.