Home / 19,313,000.30-28,991,618.85-11,339,317.10

Finding the Fourth Proportional to 19,313,000.30, 28,991,618.85 and 11,339,317.10

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Solution

The fourth proportional to 19,313,000.30, 28,991,618.85 and 11,339,317.10 is: 17,021,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313,000.30 : 28,991,618.85 = 11,339,317.10 : x
  2. Step 2: Convert to fraction form
    19,313,000.30/28,991,618.85 = 11,339,317.10/x
  3. Step 3: Cross multiply
    19,313,000.30x = 28,991,618.85 × 11,339,317.10
  4. Step 4: Simplify right side
    19,313,000.30x = 328,745,159,382,487.31
  5. Step 5: Solve for x
    x = 328,745,159,382,487.31/19,313,000.30
  6. Step 6: Final answer
    x = 17,021,962.11

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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.