Home / 21,008,630.16-31,527,107.48-7,361,899.28

Finding the Fourth Proportional to 21,008,630.16, 31,527,107.48 and 7,361,899.28

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Solution

The fourth proportional to 21,008,630.16, 31,527,107.48 and 7,361,899.28 is: 11,047,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,630.16 : 31,527,107.48 = 7,361,899.28 : x
  2. Step 2: Convert to fraction form
    21,008,630.16/31,527,107.48 = 7,361,899.28/x
  3. Step 3: Cross multiply
    21,008,630.16x = 31,527,107.48 × 7,361,899.28
  4. Step 4: Simplify right side
    21,008,630.16x = 232,099,389,857,494.62
  5. Step 5: Solve for x
    x = 232,099,389,857,494.62/21,008,630.16
  6. Step 6: Final answer
    x = 11,047,811.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.