Home / 33,133,615.40-49,700,423.10-20,361,316.70

Finding the Fourth Proportional to 33,133,615.40, 49,700,423.10 and 20,361,316.70

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Solution

The fourth proportional to 33,133,615.40, 49,700,423.10 and 20,361,316.70 is: 30,541,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133,615.40 : 49,700,423.10 = 20,361,316.70 : x
  2. Step 2: Convert to fraction form
    33,133,615.40/49,700,423.10 = 20,361,316.70/x
  3. Step 3: Cross multiply
    33,133,615.40x = 49,700,423.10 × 20,361,316.70
  4. Step 4: Simplify right side
    33,133,615.40x = 1,011,966,054,863,095.75
  5. Step 5: Solve for x
    x = 1,011,966,054,863,095.75/33,133,615.40
  6. Step 6: Final answer
    x = 30,541,975.05

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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.