Home / 17,020,453.76-23,488,114.72-9,678,287.44

Finding the Fourth Proportional to 17,020,453.76, 23,488,114.72 and 9,678,287.44

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Solution

The fourth proportional to 17,020,453.76, 23,488,114.72 and 9,678,287.44 is: 13,355,973.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020,453.76 : 23,488,114.72 = 9,678,287.44 : x
  2. Step 2: Convert to fraction form
    17,020,453.76/23,488,114.72 = 9,678,287.44/x
  3. Step 3: Cross multiply
    17,020,453.76x = 23,488,114.72 × 9,678,287.44
  4. Step 4: Simplify right side
    17,020,453.76x = 227,324,725,683,855.09
  5. Step 5: Solve for x
    x = 227,324,725,683,855.09/17,020,453.76
  6. Step 6: Final answer
    x = 13,355,973.28

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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.