Home / 7,219,189.28-10,828,242.64-2,101,658.49

Finding the Fourth Proportional to 7,219,189.28, 10,828,242.64 and 2,101,658.49

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Solution

The fourth proportional to 7,219,189.28, 10,828,242.64 and 2,101,658.49 is: 3,152,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,189.28 : 10,828,242.64 = 2,101,658.49 : x
  2. Step 2: Convert to fraction form
    7,219,189.28/10,828,242.64 = 2,101,658.49/x
  3. Step 3: Cross multiply
    7,219,189.28x = 10,828,242.64 × 2,101,658.49
  4. Step 4: Simplify right side
    7,219,189.28x = 22,757,268,078,763.09
  5. Step 5: Solve for x
    x = 22,757,268,078,763.09/7,219,189.28
  6. Step 6: Final answer
    x = 3,152,330.16

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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.