Home / 13,121,293.50-19,679,696.88-3,534,429.96

Finding the Fourth Proportional to 13,121,293.50, 19,679,696.88 and 3,534,429.96

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Solution

The fourth proportional to 13,121,293.50, 19,679,696.88 and 3,534,429.96 is: 5,301,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,293.50 : 19,679,696.88 = 3,534,429.96 : x
  2. Step 2: Convert to fraction form
    13,121,293.50/19,679,696.88 = 3,534,429.96/x
  3. Step 3: Cross multiply
    13,121,293.50x = 19,679,696.88 × 3,534,429.96
  4. Step 4: Simplify right side
    13,121,293.50x = 69,556,510,256,390.52
  5. Step 5: Solve for x
    x = 69,556,510,256,390.52/13,121,293.50
  6. Step 6: Final answer
    x = 5,301,040.65

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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.