Home / 16,153,130.09-22,291,388.83-8,811,123.23

Finding the Fourth Proportional to 16,153,130.09, 22,291,388.83 and 8,811,123.23

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Solution

The fourth proportional to 16,153,130.09, 22,291,388.83 and 8,811,123.23 is: 12,159,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,153,130.09 : 22,291,388.83 = 8,811,123.23 : x
  2. Step 2: Convert to fraction form
    16,153,130.09/22,291,388.83 = 8,811,123.23/x
  3. Step 3: Cross multiply
    16,153,130.09x = 22,291,388.83 × 8,811,123.23
  4. Step 4: Simplify right side
    16,153,130.09x = 196,412,174,015,717.91
  5. Step 5: Solve for x
    x = 196,412,174,015,717.91/16,153,130.09
  6. Step 6: Final answer
    x = 12,159,387.86

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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.