Home / 20,552,107.95-28,361,904.72-11,260,007.64

Finding the Fourth Proportional to 20,552,107.95, 28,361,904.72 and 11,260,007.64

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Solution

The fourth proportional to 20,552,107.95, 28,361,904.72 and 11,260,007.64 is: 15,538,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,107.95 : 28,361,904.72 = 11,260,007.64 : x
  2. Step 2: Convert to fraction form
    20,552,107.95/28,361,904.72 = 11,260,007.64/x
  3. Step 3: Cross multiply
    20,552,107.95x = 28,361,904.72 × 11,260,007.64
  4. Step 4: Simplify right side
    20,552,107.95x = 319,355,263,832,152.06
  5. Step 5: Solve for x
    x = 319,355,263,832,152.06/20,552,107.95
  6. Step 6: Final answer
    x = 15,538,808.21

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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.