Home / 8,520,769.65-11,758,755.72-4,653,404.61

Finding the Fourth Proportional to 8,520,769.65, 11,758,755.72 and 4,653,404.61

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Solution

The fourth proportional to 8,520,769.65, 11,758,755.72 and 4,653,404.61 is: 6,421,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,769.65 : 11,758,755.72 = 4,653,404.61 : x
  2. Step 2: Convert to fraction form
    8,520,769.65/11,758,755.72 = 4,653,404.61/x
  3. Step 3: Cross multiply
    8,520,769.65x = 11,758,755.72 × 4,653,404.61
  4. Step 4: Simplify right side
    8,520,769.65x = 54,718,248,075,311.88
  5. Step 5: Solve for x
    x = 54,718,248,075,311.88/8,520,769.65
  6. Step 6: Final answer
    x = 6,421,749.48

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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.