Home / 12,070,521.28-16,657,756.58-6,914,879.28

Finding the Fourth Proportional to 12,070,521.28, 16,657,756.58 and 6,914,879.28

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Solution

The fourth proportional to 12,070,521.28, 16,657,756.58 and 6,914,879.28 is: 9,542,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,521.28 : 16,657,756.58 = 6,914,879.28 : x
  2. Step 2: Convert to fraction form
    12,070,521.28/16,657,756.58 = 6,914,879.28/x
  3. Step 3: Cross multiply
    12,070,521.28x = 16,657,756.58 × 6,914,879.28
  4. Step 4: Simplify right side
    12,070,521.28x = 115,186,375,826,325.67
  5. Step 5: Solve for x
    x = 115,186,375,826,325.67/12,070,521.28
  6. Step 6: Final answer
    x = 9,542,783.87

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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.