Home / 12,018,088.20-18,027,154.86-2,920,193.49

Finding the Fourth Proportional to 12,018,088.20, 18,027,154.86 and 2,920,193.49

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Solution

The fourth proportional to 12,018,088.20, 18,027,154.86 and 2,920,193.49 is: 4,380,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,088.20 : 18,027,154.86 = 2,920,193.49 : x
  2. Step 2: Convert to fraction form
    12,018,088.20/18,027,154.86 = 2,920,193.49/x
  3. Step 3: Cross multiply
    12,018,088.20x = 18,027,154.86 × 2,920,193.49
  4. Step 4: Simplify right side
    12,018,088.20x = 52,642,780,265,393.87
  5. Step 5: Solve for x
    x = 52,642,780,265,393.87/12,018,088.20
  6. Step 6: Final answer
    x = 4,380,295.72

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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.