Home / 21,356,302.62-29,471,550.39-11,566,522.74

Finding the Fourth Proportional to 21,356,302.62, 29,471,550.39 and 11,566,522.74

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Solution

The fourth proportional to 21,356,302.62, 29,471,550.39 and 11,566,522.74 is: 15,961,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356,302.62 : 29,471,550.39 = 11,566,522.74 : x
  2. Step 2: Convert to fraction form
    21,356,302.62/29,471,550.39 = 11,566,522.74/x
  3. Step 3: Cross multiply
    21,356,302.62x = 29,471,550.39 × 11,566,522.74
  4. Step 4: Simplify right side
    21,356,302.62x = 340,883,357,768,990.88
  5. Step 5: Solve for x
    x = 340,883,357,768,990.88/21,356,302.62
  6. Step 6: Final answer
    x = 15,961,721.64

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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.