Home / 20,065,320.18-30,090,597.60-6,931,396.80

Finding the Fourth Proportional to 20,065,320.18, 30,090,597.60 and 6,931,396.80

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Solution

The fourth proportional to 20,065,320.18, 30,090,597.60 and 6,931,396.80 is: 10,394,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,320.18 : 30,090,597.60 = 6,931,396.80 : x
  2. Step 2: Convert to fraction form
    20,065,320.18/30,090,597.60 = 6,931,396.80/x
  3. Step 3: Cross multiply
    20,065,320.18x = 30,090,597.60 × 6,931,396.80
  4. Step 4: Simplify right side
    20,065,320.18x = 208,569,871,914,727.69
  5. Step 5: Solve for x
    x = 208,569,871,914,727.69/20,065,320.18
  6. Step 6: Final answer
    x = 10,394,544.92

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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.