Home / 21,752,763.28-30,018,214.24-11,963,211.01

Finding the Fourth Proportional to 21,752,763.28, 30,018,214.24 and 11,963,211.01

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Solution

The fourth proportional to 21,752,763.28, 30,018,214.24 and 11,963,211.01 is: 16,508,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752,763.28 : 30,018,214.24 = 11,963,211.01 : x
  2. Step 2: Convert to fraction form
    21,752,763.28/30,018,214.24 = 11,963,211.01/x
  3. Step 3: Cross multiply
    21,752,763.28x = 30,018,214.24 × 11,963,211.01
  4. Step 4: Simplify right side
    21,752,763.28x = 359,114,230,991,553.25
  5. Step 5: Solve for x
    x = 359,114,230,991,553.25/21,752,763.28
  6. Step 6: Final answer
    x = 16,508,901.72

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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.