Home / 12,043,920.80-18,059,903.40-4,367,259.20

Finding the Fourth Proportional to 12,043,920.80, 18,059,903.40 and 4,367,259.20

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Solution

The fourth proportional to 12,043,920.80, 18,059,903.40 and 4,367,259.20 is: 6,548,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,920.80 : 18,059,903.40 = 4,367,259.20 : x
  2. Step 2: Convert to fraction form
    12,043,920.80/18,059,903.40 = 4,367,259.20/x
  3. Step 3: Cross multiply
    12,043,920.80x = 18,059,903.40 × 4,367,259.20
  4. Step 4: Simplify right side
    12,043,920.80x = 78,872,279,274,761.28
  5. Step 5: Solve for x
    x = 78,872,279,274,761.28/12,043,920.80
  6. Step 6: Final answer
    x = 6,548,721.18

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1.5x scale

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.