Home / 42,729,379.74-64,099,501.07-13,572,816.57

Finding the Fourth Proportional to 42,729,379.74, 64,099,501.07 and 13,572,816.57

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Solution

The fourth proportional to 42,729,379.74, 64,099,501.07 and 13,572,816.57 is: 20,360,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,729,379.74 : 64,099,501.07 = 13,572,816.57 : x
  2. Step 2: Convert to fraction form
    42,729,379.74/64,099,501.07 = 13,572,816.57/x
  3. Step 3: Cross multiply
    42,729,379.74x = 64,099,501.07 × 13,572,816.57
  4. Step 4: Simplify right side
    42,729,379.74x = 870,010,770,183,764.62
  5. Step 5: Solve for x
    x = 870,010,770,183,764.62/42,729,379.74
  6. Step 6: Final answer
    x = 20,360,950.13

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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.