Home / 8,653,176.90-11,945,061.11-5,391,603.08

Finding the Fourth Proportional to 8,653,176.90, 11,945,061.11 and 5,391,603.08

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Solution

The fourth proportional to 8,653,176.90, 11,945,061.11 and 5,391,603.08 is: 7,442,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,176.90 : 11,945,061.11 = 5,391,603.08 : x
  2. Step 2: Convert to fraction form
    8,653,176.90/11,945,061.11 = 5,391,603.08/x
  3. Step 3: Cross multiply
    8,653,176.90x = 11,945,061.11 × 5,391,603.08
  4. Step 4: Simplify right side
    8,653,176.90x = 64,403,028,184,780.91
  5. Step 5: Solve for x
    x = 64,403,028,184,780.91/8,653,176.90
  6. Step 6: Final answer
    x = 7,442,703.29

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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.