Home / 12,009,161.70-18,013,784.67-2,911,222.26

Finding the Fourth Proportional to 12,009,161.70, 18,013,784.67 and 2,911,222.26

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Solution

The fourth proportional to 12,009,161.70, 18,013,784.67 and 2,911,222.26 is: 4,366,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,161.70 : 18,013,784.67 = 2,911,222.26 : x
  2. Step 2: Convert to fraction form
    12,009,161.70/18,013,784.67 = 2,911,222.26/x
  3. Step 3: Cross multiply
    12,009,161.70x = 18,013,784.67 × 2,911,222.26
  4. Step 4: Simplify right side
    12,009,161.70x = 52,442,130,918,150.76
  5. Step 5: Solve for x
    x = 52,442,130,918,150.76/12,009,161.70
  6. Step 6: Final answer
    x = 4,366,843.60

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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.