Home / 47,798,066.79-71,696,990.81-20,486,650.41

Finding the Fourth Proportional to 47,798,066.79, 71,696,990.81 and 20,486,650.41

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Solution

The fourth proportional to 47,798,066.79, 71,696,990.81 and 20,486,650.41 is: 30,729,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798,066.79 : 71,696,990.81 = 20,486,650.41 : x
  2. Step 2: Convert to fraction form
    47,798,066.79/71,696,990.81 = 20,486,650.41/x
  3. Step 3: Cross multiply
    47,798,066.79x = 71,696,990.81 × 20,486,650.41
  4. Step 4: Simplify right side
    47,798,066.79x = 1,468,831,186,224,669.25
  5. Step 5: Solve for x
    x = 1,468,831,186,224,669.25/47,798,066.79
  6. Step 6: Final answer
    x = 30,729,928.74

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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.