Home / 33,220,459.20-49,830,688.80-20,399,390.40

Finding the Fourth Proportional to 33,220,459.20, 49,830,688.80 and 20,399,390.40

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Solution

The fourth proportional to 33,220,459.20, 49,830,688.80 and 20,399,390.40 is: 30,599,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220,459.20 : 49,830,688.80 = 20,399,390.40 : x
  2. Step 2: Convert to fraction form
    33,220,459.20/49,830,688.80 = 20,399,390.40/x
  3. Step 3: Cross multiply
    33,220,459.20x = 49,830,688.80 × 20,399,390.40
  4. Step 4: Simplify right side
    33,220,459.20x = 1,016,515,674,732,107.38
  5. Step 5: Solve for x
    x = 1,016,515,674,732,107.38/33,220,459.20
  6. Step 6: Final answer
    x = 30,599,085.60

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Similar ratio
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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.