Home / 28,163,381.27-38,871,530.84-17,153,760.83

Finding the Fourth Proportional to 28,163,381.27, 38,871,530.84 and 17,153,760.83

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Solution

The fourth proportional to 28,163,381.27, 38,871,530.84 and 17,153,760.83 is: 23,675,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163,381.27 : 38,871,530.84 = 17,153,760.83 : x
  2. Step 2: Convert to fraction form
    28,163,381.27/38,871,530.84 = 17,153,760.83/x
  3. Step 3: Cross multiply
    28,163,381.27x = 38,871,530.84 × 17,153,760.83
  4. Step 4: Simplify right side
    28,163,381.27x = 666,792,942,973,855.75
  5. Step 5: Solve for x
    x = 666,792,942,973,855.75/28,163,381.27
  6. Step 6: Final answer
    x = 23,675,883.83

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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.