Home / 13,106,234.16-18,078,159.96-8,695,864.35

Finding the Fourth Proportional to 13,106,234.16, 18,078,159.96 and 8,695,864.35

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Solution

The fourth proportional to 13,106,234.16, 18,078,159.96 and 8,695,864.35 is: 11,994,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,234.16 : 18,078,159.96 = 8,695,864.35 : x
  2. Step 2: Convert to fraction form
    13,106,234.16/18,078,159.96 = 8,695,864.35/x
  3. Step 3: Cross multiply
    13,106,234.16x = 18,078,159.96 × 8,695,864.35
  4. Step 4: Simplify right side
    13,106,234.16x = 157,205,226,709,761.44
  5. Step 5: Solve for x
    x = 157,205,226,709,761.44/13,106,234.16
  6. Step 6: Final answer
    x = 11,994,690.83

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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.