Home / 17,020,455.76-23,488,117.48-9,678,289.44

Finding the Fourth Proportional to 17,020,455.76, 23,488,117.48 and 9,678,289.44

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Solution

The fourth proportional to 17,020,455.76, 23,488,117.48 and 9,678,289.44 is: 13,355,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020,455.76 : 23,488,117.48 = 9,678,289.44 : x
  2. Step 2: Convert to fraction form
    17,020,455.76/23,488,117.48 = 9,678,289.44/x
  3. Step 3: Cross multiply
    17,020,455.76x = 23,488,117.48 × 9,678,289.44
  4. Step 4: Simplify right side
    17,020,455.76x = 227,324,799,372,163.41
  5. Step 5: Solve for x
    x = 227,324,799,372,163.41/17,020,455.76
  6. Step 6: Final answer
    x = 13,355,976.04

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1.5x scale

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.