Home / 28,370,236.92-39,153,339-15,982,762.74

Finding the Fourth Proportional to 28,370,236.92, 39,153,339 and 15,982,762.74

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Solution

The fourth proportional to 28,370,236.92, 39,153,339 and 15,982,762.74 is: 22,057,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,370,236.92 : 39,153,339 = 15,982,762.74 : x
  2. Step 2: Convert to fraction form
    28,370,236.92/39,153,339 = 15,982,762.74/x
  3. Step 3: Cross multiply
    28,370,236.92x = 39,153,339 × 15,982,762.74
  4. Step 4: Simplify right side
    28,370,236.92x = 625,778,527,715,788.88
  5. Step 5: Solve for x
    x = 625,778,527,715,788.88/28,370,236.92
  6. Step 6: Final answer
    x = 22,057,571.44

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1.5x scale

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.