Home / 13,236,165.47-19,854,263.79-4,138,310.81

Finding the Fourth Proportional to 13,236,165.47, 19,854,263.79 and 4,138,310.81

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Solution

The fourth proportional to 13,236,165.47, 19,854,263.79 and 4,138,310.81 is: 6,207,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,165.47 : 19,854,263.79 = 4,138,310.81 : x
  2. Step 2: Convert to fraction form
    13,236,165.47/19,854,263.79 = 4,138,310.81/x
  3. Step 3: Cross multiply
    13,236,165.47x = 19,854,263.79 × 4,138,310.81
  4. Step 4: Simplify right side
    13,236,165.47x = 82,163,114,367,477.25
  5. Step 5: Solve for x
    x = 82,163,114,367,477.25/13,236,165.47
  6. Step 6: Final answer
    x = 6,207,471.08

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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.