Home / 39,388,214.40-59,035,082.40-20,209,099.20

Finding the Fourth Proportional to 39,388,214.40, 59,035,082.40 and 20,209,099.20

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Solution

The fourth proportional to 39,388,214.40, 59,035,082.40 and 20,209,099.20 is: 30,289,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388,214.40 : 59,035,082.40 = 20,209,099.20 : x
  2. Step 2: Convert to fraction form
    39,388,214.40/59,035,082.40 = 20,209,099.20/x
  3. Step 3: Cross multiply
    39,388,214.40x = 59,035,082.40 × 20,209,099.20
  4. Step 4: Simplify right side
    39,388,214.40x = 1,193,045,836,501,774
  5. Step 5: Solve for x
    x = 1,193,045,836,501,774/39,388,214.40
  6. Step 6: Final answer
    x = 30,289,411.56

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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.