Home / 20,148,043.80-30,222,065.70-14,521,330.20

Finding the Fourth Proportional to 20,148,043.80, 30,222,065.70 and 14,521,330.20

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Solution

The fourth proportional to 20,148,043.80, 30,222,065.70 and 14,521,330.20 is: 21,781,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,043.80 : 30,222,065.70 = 14,521,330.20 : x
  2. Step 2: Convert to fraction form
    20,148,043.80/30,222,065.70 = 14,521,330.20/x
  3. Step 3: Cross multiply
    20,148,043.80x = 30,222,065.70 × 14,521,330.20
  4. Step 4: Simplify right side
    20,148,043.80x = 438,864,595,355,794.12
  5. Step 5: Solve for x
    x = 438,864,595,355,794.12/20,148,043.80
  6. Step 6: Final answer
    x = 21,781,995.30

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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.