Home / 14,762,387.71-20,372,107.66-8,236,018.18

Finding the Fourth Proportional to 14,762,387.71, 20,372,107.66 and 8,236,018.18

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Solution

The fourth proportional to 14,762,387.71, 20,372,107.66 and 8,236,018.18 is: 11,365,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762,387.71 : 20,372,107.66 = 8,236,018.18 : x
  2. Step 2: Convert to fraction form
    14,762,387.71/20,372,107.66 = 8,236,018.18/x
  3. Step 3: Cross multiply
    14,762,387.71x = 20,372,107.66 × 8,236,018.18
  4. Step 4: Simplify right side
    14,762,387.71x = 167,785,048,981,156.94
  5. Step 5: Solve for x
    x = 167,785,048,981,156.94/14,762,387.71
  6. Step 6: Final answer
    x = 11,365,712.13

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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.