Home / 22,565,202.77-31,139,660.12-12,775,392.52

Finding the Fourth Proportional to 22,565,202.77, 31,139,660.12 and 12,775,392.52

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Solution

The fourth proportional to 22,565,202.77, 31,139,660.12 and 12,775,392.52 is: 17,629,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565,202.77 : 31,139,660.12 = 12,775,392.52 : x
  2. Step 2: Convert to fraction form
    22,565,202.77/31,139,660.12 = 12,775,392.52/x
  3. Step 3: Cross multiply
    22,565,202.77x = 31,139,660.12 × 12,775,392.52
  4. Step 4: Simplify right side
    22,565,202.77x = 397,821,380,830,664.19
  5. Step 5: Solve for x
    x = 397,821,380,830,664.19/22,565,202.77
  6. Step 6: Final answer
    x = 17,629,860.67

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1.5x scale

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.