Home / 7,472,501.91-11,208,763.80-2,081,167.83

Finding the Fourth Proportional to 7,472,501.91, 11,208,763.80 and 2,081,167.83

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Solution

The fourth proportional to 7,472,501.91, 11,208,763.80 and 2,081,167.83 is: 3,121,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,501.91 : 11,208,763.80 = 2,081,167.83 : x
  2. Step 2: Convert to fraction form
    7,472,501.91/11,208,763.80 = 2,081,167.83/x
  3. Step 3: Cross multiply
    7,472,501.91x = 11,208,763.80 × 2,081,167.83
  4. Step 4: Simplify right side
    7,472,501.91x = 23,327,318,634,628.55
  5. Step 5: Solve for x
    x = 23,327,318,634,628.55/7,472,501.91
  6. Step 6: Final answer
    x = 3,121,754.79

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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.