Home / 20,609,113.84-31,061,806.90-17,764,811.26

Finding the Fourth Proportional to 20,609,113.84, 31,061,806.90 and 17,764,811.26

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Solution

The fourth proportional to 20,609,113.84, 31,061,806.90 and 17,764,811.26 is: 26,774,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,113.84 : 31,061,806.90 = 17,764,811.26 : x
  2. Step 2: Convert to fraction form
    20,609,113.84/31,061,806.90 = 17,764,811.26/x
  3. Step 3: Cross multiply
    20,609,113.84x = 31,061,806.90 × 17,764,811.26
  4. Step 4: Simplify right side
    20,609,113.84x = 551,807,136,973,065.69
  5. Step 5: Solve for x
    x = 551,807,136,973,065.69/20,609,113.84
  6. Step 6: Final answer
    x = 26,774,908.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.