Home / 28,665,572.68-39,562,395.20-16,908,162.27

Finding the Fourth Proportional to 28,665,572.68, 39,562,395.20 and 16,908,162.27

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Solution

The fourth proportional to 28,665,572.68, 39,562,395.20 and 16,908,162.27 is: 23,335,567.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,572.68 : 39,562,395.20 = 16,908,162.27 : x
  2. Step 2: Convert to fraction form
    28,665,572.68/39,562,395.20 = 16,908,162.27/x
  3. Step 3: Cross multiply
    28,665,572.68x = 39,562,395.20 × 16,908,162.27
  4. Step 4: Simplify right side
    28,665,572.68x = 668,927,397,831,469.12
  5. Step 5: Solve for x
    x = 668,927,397,831,469.12/28,665,572.68
  6. Step 6: Final answer
    x = 23,335,567.21

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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.