Home / 7,219,189.72-10,828,243.30-2,101,658.93

Finding the Fourth Proportional to 7,219,189.72, 10,828,243.30 and 2,101,658.93

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Solution

The fourth proportional to 7,219,189.72, 10,828,243.30 and 2,101,658.93 is: 3,152,330.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,189.72 : 10,828,243.30 = 2,101,658.93 : x
  2. Step 2: Convert to fraction form
    7,219,189.72/10,828,243.30 = 2,101,658.93/x
  3. Step 3: Cross multiply
    7,219,189.72x = 10,828,243.30 × 2,101,658.93
  4. Step 4: Simplify right side
    7,219,189.72x = 22,757,274,227,657.67
  5. Step 5: Solve for x
    x = 22,757,274,227,657.67/7,219,189.72
  6. Step 6: Final answer
    x = 3,152,330.82

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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.