Home / 18,704,670.30-28,057,005.45-18,144,798.30

Finding the Fourth Proportional to 18,704,670.30, 28,057,005.45 and 18,144,798.30

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Solution

The fourth proportional to 18,704,670.30, 28,057,005.45 and 18,144,798.30 is: 27,217,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,670.30 : 28,057,005.45 = 18,144,798.30 : x
  2. Step 2: Convert to fraction form
    18,704,670.30/28,057,005.45 = 18,144,798.30/x
  3. Step 3: Cross multiply
    18,704,670.30x = 28,057,005.45 × 18,144,798.30
  4. Step 4: Simplify right side
    18,704,670.30x = 509,088,704,792,250.75
  5. Step 5: Solve for x
    x = 509,088,704,792,250.75/18,704,670.30
  6. Step 6: Final answer
    x = 27,217,197.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.