Home / 13,859,892.18-19,126,778.45-7,664,618.70

Finding the Fourth Proportional to 13,859,892.18, 19,126,778.45 and 7,664,618.70

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Solution

The fourth proportional to 13,859,892.18, 19,126,778.45 and 7,664,618.70 is: 10,577,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859,892.18 : 19,126,778.45 = 7,664,618.70 : x
  2. Step 2: Convert to fraction form
    13,859,892.18/19,126,778.45 = 7,664,618.70/x
  3. Step 3: Cross multiply
    13,859,892.18x = 19,126,778.45 × 7,664,618.70
  4. Step 4: Simplify right side
    13,859,892.18x = 146,599,463,740,303.94
  5. Step 5: Solve for x
    x = 146,599,463,740,303.94/13,859,892.18
  6. Step 6: Final answer
    x = 10,577,244.17

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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.