Home / 28,965,582.93-39,972,520.59-15,913,682.60

Finding the Fourth Proportional to 28,965,582.93, 39,972,520.59 and 15,913,682.60

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Solution

The fourth proportional to 28,965,582.93, 39,972,520.59 and 15,913,682.60 is: 21,960,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,582.93 : 39,972,520.59 = 15,913,682.60 : x
  2. Step 2: Convert to fraction form
    28,965,582.93/39,972,520.59 = 15,913,682.60/x
  3. Step 3: Cross multiply
    28,965,582.93x = 39,972,520.59 × 15,913,682.60
  4. Step 4: Simplify right side
    28,965,582.93x = 636,110,005,211,725
  5. Step 5: Solve for x
    x = 636,110,005,211,725/28,965,582.93
  6. Step 6: Final answer
    x = 21,960,890.85

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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.