Home / 10,288,381.12-14,196,661.04-5,640,943.20

Finding the Fourth Proportional to 10,288,381.12, 14,196,661.04 and 5,640,943.20

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Solution

The fourth proportional to 10,288,381.12, 14,196,661.04 and 5,640,943.20 is: 7,783,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288,381.12 : 14,196,661.04 = 5,640,943.20 : x
  2. Step 2: Convert to fraction form
    10,288,381.12/14,196,661.04 = 5,640,943.20/x
  3. Step 3: Cross multiply
    10,288,381.12x = 14,196,661.04 × 5,640,943.20
  4. Step 4: Simplify right side
    10,288,381.12x = 80,082,558,556,292.92
  5. Step 5: Solve for x
    x = 80,082,558,556,292.92/10,288,381.12
  6. Step 6: Final answer
    x = 7,783,786.16

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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.