Home / 28,774,040.85-39,708,219.03-16,384,144.35

Finding the Fourth Proportional to 28,774,040.85, 39,708,219.03 and 16,384,144.35

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Solution

The fourth proportional to 28,774,040.85, 39,708,219.03 and 16,384,144.35 is: 22,610,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,040.85 : 39,708,219.03 = 16,384,144.35 : x
  2. Step 2: Convert to fraction form
    28,774,040.85/39,708,219.03 = 16,384,144.35/x
  3. Step 3: Cross multiply
    28,774,040.85x = 39,708,219.03 × 16,384,144.35
  4. Step 4: Simplify right side
    28,774,040.85x = 650,585,192,468,937
  5. Step 5: Solve for x
    x = 650,585,192,468,937/28,774,040.85
  6. Step 6: Final answer
    x = 22,610,143.49

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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.