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Finding the Fourth Proportional to 17,752,162.80, 26,609,873.40 and 9,648,015.60

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Solution

The fourth proportional to 17,752,162.80, 26,609,873.40 and 9,648,015.60 is: 14,462,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,752,162.80 : 26,609,873.40 = 9,648,015.60 : x
  2. Step 2: Convert to fraction form
    17,752,162.80/26,609,873.40 = 9,648,015.60/x
  3. Step 3: Cross multiply
    17,752,162.80x = 26,609,873.40 × 9,648,015.60
  4. Step 4: Simplify right side
    17,752,162.80x = 256,732,473,677,225.03
  5. Step 5: Solve for x
    x = 256,732,473,677,225.03/17,752,162.80
  6. Step 6: Final answer
    x = 14,462,039.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.