Home / 22,146,873.15-33,220,309.73-12,421,502.85

Finding the Fourth Proportional to 22,146,873.15, 33,220,309.73 and 12,421,502.85

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Solution

The fourth proportional to 22,146,873.15, 33,220,309.73 and 12,421,502.85 is: 18,632,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146,873.15 : 33,220,309.73 = 12,421,502.85 : x
  2. Step 2: Convert to fraction form
    22,146,873.15/33,220,309.73 = 12,421,502.85/x
  3. Step 3: Cross multiply
    22,146,873.15x = 33,220,309.73 × 12,421,502.85
  4. Step 4: Simplify right side
    22,146,873.15x = 412,646,171,926,970.25
  5. Step 5: Solve for x
    x = 412,646,171,926,970.25/22,146,873.15
  6. Step 6: Final answer
    x = 18,632,254.28

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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.