Home / 12,009,228.24-18,013,884.48-2,911,288.80

Finding the Fourth Proportional to 12,009,228.24, 18,013,884.48 and 2,911,288.80

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Solution

The fourth proportional to 12,009,228.24, 18,013,884.48 and 2,911,288.80 is: 4,366,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,228.24 : 18,013,884.48 = 2,911,288.80 : x
  2. Step 2: Convert to fraction form
    12,009,228.24/18,013,884.48 = 2,911,288.80/x
  3. Step 3: Cross multiply
    12,009,228.24x = 18,013,884.48 × 2,911,288.80
  4. Step 4: Simplify right side
    12,009,228.24x = 52,443,620,131,117.82
  5. Step 5: Solve for x
    x = 52,443,620,131,117.82/12,009,228.24
  6. Step 6: Final answer
    x = 4,366,943.41

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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.