Home / 21,168,012.20-31,752,023.70-6,021,943.70

Finding the Fourth Proportional to 21,168,012.20, 31,752,023.70 and 6,021,943.70

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Solution

The fourth proportional to 21,168,012.20, 31,752,023.70 and 6,021,943.70 is: 9,032,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,012.20 : 31,752,023.70 = 6,021,943.70 : x
  2. Step 2: Convert to fraction form
    21,168,012.20/31,752,023.70 = 6,021,943.70/x
  3. Step 3: Cross multiply
    21,168,012.20x = 31,752,023.70 × 6,021,943.70
  4. Step 4: Simplify right side
    21,168,012.20x = 191,208,899,082,465.69
  5. Step 5: Solve for x
    x = 191,208,899,082,465.69/21,168,012.20
  6. Step 6: Final answer
    x = 9,032,917.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.