Home / 33,018,800.40-49,528,200.60-20,742,513.30

Finding the Fourth Proportional to 33,018,800.40, 49,528,200.60 and 20,742,513.30

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Solution

The fourth proportional to 33,018,800.40, 49,528,200.60 and 20,742,513.30 is: 31,113,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018,800.40 : 49,528,200.60 = 20,742,513.30 : x
  2. Step 2: Convert to fraction form
    33,018,800.40/49,528,200.60 = 20,742,513.30/x
  3. Step 3: Cross multiply
    33,018,800.40x = 49,528,200.60 × 20,742,513.30
  4. Step 4: Simplify right side
    33,018,800.40x = 1,027,339,359,670,568
  5. Step 5: Solve for x
    x = 1,027,339,359,670,568/33,018,800.40
  6. Step 6: Final answer
    x = 31,113,769.95

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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.