Home / 20,776,653.22-28,671,280.94-11,357,025.52

Finding the Fourth Proportional to 20,776,653.22, 28,671,280.94 and 11,357,025.52

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Solution

The fourth proportional to 20,776,653.22, 28,671,280.94 and 11,357,025.52 is: 15,672,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,653.22 : 28,671,280.94 = 11,357,025.52 : x
  2. Step 2: Convert to fraction form
    20,776,653.22/28,671,280.94 = 11,357,025.52/x
  3. Step 3: Cross multiply
    20,776,653.22x = 28,671,280.94 × 11,357,025.52
  4. Step 4: Simplify right side
    20,776,653.22x = 325,620,469,272,498.31
  5. Step 5: Solve for x
    x = 325,620,469,272,498.31/20,776,653.22
  6. Step 6: Final answer
    x = 15,672,421.63

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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.