Home / 40,355,903.69-60,493,385.10-20,914,241.87

Finding the Fourth Proportional to 40,355,903.69, 60,493,385.10 and 20,914,241.87

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Solution

The fourth proportional to 40,355,903.69, 60,493,385.10 and 20,914,241.87 is: 31,350,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,355,903.69 : 60,493,385.10 = 20,914,241.87 : x
  2. Step 2: Convert to fraction form
    40,355,903.69/60,493,385.10 = 20,914,241.87/x
  3. Step 3: Cross multiply
    40,355,903.69x = 60,493,385.10 × 20,914,241.87
  4. Step 4: Simplify right side
    40,355,903.69x = 1,265,173,287,516,454.25
  5. Step 5: Solve for x
    x = 1,265,173,287,516,454.25/40,355,903.69
  6. Step 6: Final answer
    x = 31,350,389.21

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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.