Home / 15,874,410.56-21,906,051.84-9,348,315.20

Finding the Fourth Proportional to 15,874,410.56, 21,906,051.84 and 9,348,315.20

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Solution

The fourth proportional to 15,874,410.56, 21,906,051.84 and 9,348,315.20 is: 12,900,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874,410.56 : 21,906,051.84 = 9,348,315.20 : x
  2. Step 2: Convert to fraction form
    15,874,410.56/21,906,051.84 = 9,348,315.20/x
  3. Step 3: Cross multiply
    15,874,410.56x = 21,906,051.84 × 9,348,315.20
  4. Step 4: Simplify right side
    15,874,410.56x = 204,784,677,387,859.94
  5. Step 5: Solve for x
    x = 204,784,677,387,859.94/15,874,410.56
  6. Step 6: Final answer
    x = 12,900,301.19

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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.