Home / 15,678,212.60-23,517,318.90-9,938,649.80

Finding the Fourth Proportional to 15,678,212.60, 23,517,318.90 and 9,938,649.80

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Solution

The fourth proportional to 15,678,212.60, 23,517,318.90 and 9,938,649.80 is: 14,907,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,212.60 : 23,517,318.90 = 9,938,649.80 : x
  2. Step 2: Convert to fraction form
    15,678,212.60/23,517,318.90 = 9,938,649.80/x
  3. Step 3: Cross multiply
    15,678,212.60x = 23,517,318.90 × 9,938,649.80
  4. Step 4: Simplify right side
    15,678,212.60x = 233,730,396,782,021.22
  5. Step 5: Solve for x
    x = 233,730,396,782,021.22/15,678,212.60
  6. Step 6: Final answer
    x = 14,907,974.70

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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.