Home / 22,921,051.80-31,609,426.92-15,066,689.16

Finding the Fourth Proportional to 22,921,051.80, 31,609,426.92 and 15,066,689.16

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Solution

The fourth proportional to 22,921,051.80, 31,609,426.92 and 15,066,689.16 is: 20,777,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921,051.80 : 31,609,426.92 = 15,066,689.16 : x
  2. Step 2: Convert to fraction form
    22,921,051.80/31,609,426.92 = 15,066,689.16/x
  3. Step 3: Cross multiply
    22,921,051.80x = 31,609,426.92 × 15,066,689.16
  4. Step 4: Simplify right side
    22,921,051.80x = 476,249,409,929,376.25
  5. Step 5: Solve for x
    x = 476,249,409,929,376.25/22,921,051.80
  6. Step 6: Final answer
    x = 20,777,816.57

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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.