Home / 20,552,107.08-28,361,903.52-11,260,006.77

Finding the Fourth Proportional to 20,552,107.08, 28,361,903.52 and 11,260,006.77

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Solution

The fourth proportional to 20,552,107.08, 28,361,903.52 and 11,260,006.77 is: 15,538,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,107.08 : 28,361,903.52 = 11,260,006.77 : x
  2. Step 2: Convert to fraction form
    20,552,107.08/28,361,903.52 = 11,260,006.77/x
  3. Step 3: Cross multiply
    20,552,107.08x = 28,361,903.52 × 11,260,006.77
  4. Step 4: Simplify right side
    20,552,107.08x = 319,355,225,645,286.81
  5. Step 5: Solve for x
    x = 319,355,225,645,286.81/20,552,107.08
  6. Step 6: Final answer
    x = 15,538,807.01

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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.