Home / 30,378,011.03-41,921,761.05-16,439,362.65

Finding the Fourth Proportional to 30,378,011.03, 41,921,761.05 and 16,439,362.65

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Solution

The fourth proportional to 30,378,011.03, 41,921,761.05 and 16,439,362.65 is: 22,686,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378,011.03 : 41,921,761.05 = 16,439,362.65 : x
  2. Step 2: Convert to fraction form
    30,378,011.03/41,921,761.05 = 16,439,362.65/x
  3. Step 3: Cross multiply
    30,378,011.03x = 41,921,761.05 × 16,439,362.65
  4. Step 4: Simplify right side
    30,378,011.03x = 689,167,032,827,594.75
  5. Step 5: Solve for x
    x = 689,167,032,827,594.75/30,378,011.03
  6. Step 6: Final answer
    x = 22,686,377.73

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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.