Home / 12,696,892.48-17,524,501.50-8,346,380.68

Finding the Fourth Proportional to 12,696,892.48, 17,524,501.50 and 8,346,380.68

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Solution

The fourth proportional to 12,696,892.48, 17,524,501.50 and 8,346,380.68 is: 11,519,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,892.48 : 17,524,501.50 = 8,346,380.68 : x
  2. Step 2: Convert to fraction form
    12,696,892.48/17,524,501.50 = 8,346,380.68/x
  3. Step 3: Cross multiply
    12,696,892.48x = 17,524,501.50 × 8,346,380.68
  4. Step 4: Simplify right side
    12,696,892.48x = 146,266,160,746,231
  5. Step 5: Solve for x
    x = 146,266,160,746,231/12,696,892.48
  6. Step 6: Final answer
    x = 11,519,839.28

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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.