Home / 19,339,507.13-28,999,277.67-5,690,879.69

Finding the Fourth Proportional to 19,339,507.13, 28,999,277.67 and 5,690,879.69

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Solution

The fourth proportional to 19,339,507.13, 28,999,277.67 and 5,690,879.69 is: 8,533,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339,507.13 : 28,999,277.67 = 5,690,879.69 : x
  2. Step 2: Convert to fraction form
    19,339,507.13/28,999,277.67 = 5,690,879.69/x
  3. Step 3: Cross multiply
    19,339,507.13x = 28,999,277.67 × 5,690,879.69
  4. Step 4: Simplify right side
    19,339,507.13x = 165,031,400,316,873.53
  5. Step 5: Solve for x
    x = 165,031,400,316,873.53/19,339,507.13
  6. Step 6: Final answer
    x = 8,533,381.91

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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.