Home / 21,543,190.72-32,312,392.26-7,709,589.47

Finding the Fourth Proportional to 21,543,190.72, 32,312,392.26 and 7,709,589.47

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Solution

The fourth proportional to 21,543,190.72, 32,312,392.26 and 7,709,589.47 is: 11,563,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543,190.72 : 32,312,392.26 = 7,709,589.47 : x
  2. Step 2: Convert to fraction form
    21,543,190.72/32,312,392.26 = 7,709,589.47/x
  3. Step 3: Cross multiply
    21,543,190.72x = 32,312,392.26 × 7,709,589.47
  4. Step 4: Simplify right side
    21,543,190.72x = 249,115,278,918,095.59
  5. Step 5: Solve for x
    x = 249,115,278,918,095.59/21,543,190.72
  6. Step 6: Final answer
    x = 11,563,527.53

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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.