Home / 10,754,429.40-16,131,644.10-5,085,725.40

Finding the Fourth Proportional to 10,754,429.40, 16,131,644.10 and 5,085,725.40

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Solution

The fourth proportional to 10,754,429.40, 16,131,644.10 and 5,085,725.40 is: 7,628,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754,429.40 : 16,131,644.10 = 5,085,725.40 : x
  2. Step 2: Convert to fraction form
    10,754,429.40/16,131,644.10 = 5,085,725.40/x
  3. Step 3: Cross multiply
    10,754,429.40x = 16,131,644.10 × 5,085,725.40
  4. Step 4: Simplify right side
    10,754,429.40x = 82,041,112,143,130.14
  5. Step 5: Solve for x
    x = 82,041,112,143,130.14/10,754,429.40
  6. Step 6: Final answer
    x = 7,628,588.10

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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.