Home / 15,839,568.64-21,855,443.10-9,640,463.20

Finding the Fourth Proportional to 15,839,568.64, 21,855,443.10 and 9,640,463.20

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Solution

The fourth proportional to 15,839,568.64, 21,855,443.10 and 9,640,463.20 is: 13,301,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,839,568.64 : 21,855,443.10 = 9,640,463.20 : x
  2. Step 2: Convert to fraction form
    15,839,568.64/21,855,443.10 = 9,640,463.20/x
  3. Step 3: Cross multiply
    15,839,568.64x = 21,855,443.10 × 9,640,463.20
  4. Step 4: Simplify right side
    15,839,568.64x = 210,696,594,925,243.91
  5. Step 5: Solve for x
    x = 210,696,594,925,243.91/15,839,568.64
  6. Step 6: Final answer
    x = 13,301,914.95

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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.