Home / 22,778,762.40-31,434,692.40-12,465,489.60

Finding the Fourth Proportional to 22,778,762.40, 31,434,692.40 and 12,465,489.60

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Solution

The fourth proportional to 22,778,762.40, 31,434,692.40 and 12,465,489.60 is: 17,202,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778,762.40 : 31,434,692.40 = 12,465,489.60 : x
  2. Step 2: Convert to fraction form
    22,778,762.40/31,434,692.40 = 12,465,489.60/x
  3. Step 3: Cross multiply
    22,778,762.40x = 31,434,692.40 × 12,465,489.60
  4. Step 4: Simplify right side
    22,778,762.40x = 391,848,831,191,399
  5. Step 5: Solve for x
    x = 391,848,831,191,399/22,778,762.40
  6. Step 6: Final answer
    x = 17,202,375.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.