Home / 20,630,927.16-28,471,320.17-11,338,328.36

Finding the Fourth Proportional to 20,630,927.16, 28,471,320.17 and 11,338,328.36

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Solution

The fourth proportional to 20,630,927.16, 28,471,320.17 and 11,338,328.36 is: 15,647,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630,927.16 : 28,471,320.17 = 11,338,328.36 : x
  2. Step 2: Convert to fraction form
    20,630,927.16/28,471,320.17 = 11,338,328.36/x
  3. Step 3: Cross multiply
    20,630,927.16x = 28,471,320.17 × 11,338,328.36
  4. Step 4: Simplify right side
    20,630,927.16x = 322,817,176,731,102.75
  5. Step 5: Solve for x
    x = 322,817,176,731,102.75/20,630,927.16
  6. Step 6: Final answer
    x = 15,647,245.24

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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.