Home / 12,789,502.30-19,167,923.85-5,207,902.30

Finding the Fourth Proportional to 12,789,502.30, 19,167,923.85 and 5,207,902.30

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Solution

The fourth proportional to 12,789,502.30, 19,167,923.85 and 5,207,902.30 is: 7,805,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,502.30 : 19,167,923.85 = 5,207,902.30 : x
  2. Step 2: Convert to fraction form
    12,789,502.30/19,167,923.85 = 5,207,902.30/x
  3. Step 3: Cross multiply
    12,789,502.30x = 19,167,923.85 × 5,207,902.30
  4. Step 4: Simplify right side
    12,789,502.30x = 99,824,674,704,639.86
  5. Step 5: Solve for x
    x = 99,824,674,704,639.86/12,789,502.30
  6. Step 6: Final answer
    x = 7,805,204.02

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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.