Home / 12,913,297.76-17,821,609.63-9,644,437.39

Finding the Fourth Proportional to 12,913,297.76, 17,821,609.63 and 9,644,437.39

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Solution

The fourth proportional to 12,913,297.76, 17,821,609.63 and 9,644,437.39 is: 13,310,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913,297.76 : 17,821,609.63 = 9,644,437.39 : x
  2. Step 2: Convert to fraction form
    12,913,297.76/17,821,609.63 = 9,644,437.39/x
  3. Step 3: Cross multiply
    12,913,297.76x = 17,821,609.63 × 9,644,437.39
  4. Step 4: Simplify right side
    12,913,297.76x = 171,879,398,196,890.94
  5. Step 5: Solve for x
    x = 171,879,398,196,890.94/12,913,297.76
  6. Step 6: Final answer
    x = 13,310,263.68

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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.