Home / 30,241,379.70-45,333,039.15-10,036,221.30

Finding the Fourth Proportional to 30,241,379.70, 45,333,039.15 and 10,036,221.30

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Solution

The fourth proportional to 30,241,379.70, 45,333,039.15 and 10,036,221.30 is: 15,044,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241,379.70 : 45,333,039.15 = 10,036,221.30 : x
  2. Step 2: Convert to fraction form
    30,241,379.70/45,333,039.15 = 10,036,221.30/x
  3. Step 3: Cross multiply
    30,241,379.70x = 45,333,039.15 × 10,036,221.30
  4. Step 4: Simplify right side
    30,241,379.70x = 454,972,413,110,963.94
  5. Step 5: Solve for x
    x = 454,972,413,110,963.94/30,241,379.70
  6. Step 6: Final answer
    x = 15,044,697.62

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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.