Home / 12,232,850.40-18,333,529.20-7,435,447.20

Finding the Fourth Proportional to 12,232,850.40, 18,333,529.20 and 7,435,447.20

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Solution

The fourth proportional to 12,232,850.40, 18,333,529.20 and 7,435,447.20 is: 11,143,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232,850.40 : 18,333,529.20 = 7,435,447.20 : x
  2. Step 2: Convert to fraction form
    12,232,850.40/18,333,529.20 = 7,435,447.20/x
  3. Step 3: Cross multiply
    12,232,850.40x = 18,333,529.20 × 7,435,447.20
  4. Step 4: Simplify right side
    12,232,850.40x = 136,317,988,356,258.23
  5. Step 5: Solve for x
    x = 136,317,988,356,258.23/12,232,850.40
  6. Step 6: Final answer
    x = 11,143,599.73

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1.5x scale

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.