Home / 16,456,079.58-22,688,287.80-12,778,757.34

Finding the Fourth Proportional to 16,456,079.58, 22,688,287.80 and 12,778,757.34

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Solution

The fourth proportional to 16,456,079.58, 22,688,287.80 and 12,778,757.34 is: 17,618,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,456,079.58 : 22,688,287.80 = 12,778,757.34 : x
  2. Step 2: Convert to fraction form
    16,456,079.58/22,688,287.80 = 12,778,757.34/x
  3. Step 3: Cross multiply
    16,456,079.58x = 22,688,287.80 × 12,778,757.34
  4. Step 4: Simplify right side
    16,456,079.58x = 289,928,124,256,282.44
  5. Step 5: Solve for x
    x = 289,928,124,256,282.44/16,456,079.58
  6. Step 6: Final answer
    x = 17,618,298.63

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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.