Home / 33,211,801.20-49,817,701.80-20,390,732.40

Finding the Fourth Proportional to 33,211,801.20, 49,817,701.80 and 20,390,732.40

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Solution

The fourth proportional to 33,211,801.20, 49,817,701.80 and 20,390,732.40 is: 30,586,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211,801.20 : 49,817,701.80 = 20,390,732.40 : x
  2. Step 2: Convert to fraction form
    33,211,801.20/49,817,701.80 = 20,390,732.40/x
  3. Step 3: Cross multiply
    33,211,801.20x = 49,817,701.80 × 20,390,732.40
  4. Step 4: Simplify right side
    33,211,801.20x = 1,015,819,426,186,798.12
  5. Step 5: Solve for x
    x = 1,015,819,426,186,798.12/33,211,801.20
  6. Step 6: Final answer
    x = 30,586,098.60

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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.