Home / 33,212,035.20-49,818,052.80-20,390,966.40

Finding the Fourth Proportional to 33,212,035.20, 49,818,052.80 and 20,390,966.40

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Solution

The fourth proportional to 33,212,035.20, 49,818,052.80 and 20,390,966.40 is: 30,586,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212,035.20 : 49,818,052.80 = 20,390,966.40 : x
  2. Step 2: Convert to fraction form
    33,212,035.20/49,818,052.80 = 20,390,966.40/x
  3. Step 3: Cross multiply
    33,212,035.20x = 49,818,052.80 × 20,390,966.40
  4. Step 4: Simplify right side
    33,212,035.20x = 1,015,838,240,758,225.75
  5. Step 5: Solve for x
    x = 1,015,838,240,758,225.75/33,212,035.20
  6. Step 6: Final answer
    x = 30,586,449.60

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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.