Home / 21,461,521.14-29,616,612.96-11,671,754.62

Finding the Fourth Proportional to 21,461,521.14, 29,616,612.96 and 11,671,754.62

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Solution

The fourth proportional to 21,461,521.14, 29,616,612.96 and 11,671,754.62 is: 16,106,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461,521.14 : 29,616,612.96 = 11,671,754.62 : x
  2. Step 2: Convert to fraction form
    21,461,521.14/29,616,612.96 = 11,671,754.62/x
  3. Step 3: Cross multiply
    21,461,521.14x = 29,616,612.96 × 11,671,754.62
  4. Step 4: Simplify right side
    21,461,521.14x = 345,677,839,144,631.88
  5. Step 5: Solve for x
    x = 345,677,839,144,631.88/21,461,521.14
  6. Step 6: Final answer
    x = 16,106,865.72

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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.