Home / 13,335,131.36-20,003,251.28-3,879,515.36

Finding the Fourth Proportional to 13,335,131.36, 20,003,251.28 and 3,879,515.36

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Solution

The fourth proportional to 13,335,131.36, 20,003,251.28 and 3,879,515.36 is: 5,819,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335,131.36 : 20,003,251.28 = 3,879,515.36 : x
  2. Step 2: Convert to fraction form
    13,335,131.36/20,003,251.28 = 3,879,515.36/x
  3. Step 3: Cross multiply
    13,335,131.36x = 20,003,251.28 × 3,879,515.36
  4. Step 4: Simplify right side
    13,335,131.36x = 77,602,920,590,699.66
  5. Step 5: Solve for x
    x = 77,602,920,590,699.66/13,335,131.36
  6. Step 6: Final answer
    x = 5,819,434.28

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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.