Home / 21,451,897.19-29,603,954.95-11,662,378.77

Finding the Fourth Proportional to 21,451,897.19, 29,603,954.95 and 11,662,378.77

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Solution

The fourth proportional to 21,451,897.19, 29,603,954.95 and 11,662,378.77 is: 16,094,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451,897.19 : 29,603,954.95 = 11,662,378.77 : x
  2. Step 2: Convert to fraction form
    21,451,897.19/29,603,954.95 = 11,662,378.77/x
  3. Step 3: Cross multiply
    21,451,897.19x = 29,603,954.95 × 11,662,378.77
  4. Step 4: Simplify right side
    21,451,897.19x = 345,252,535,716,916.38
  5. Step 5: Solve for x
    x = 345,252,535,716,916.38/21,451,897.19
  6. Step 6: Final answer
    x = 16,094,265.82

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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.