Home / 20,441,368.80-30,662,053.19-8,307,989.49

Finding the Fourth Proportional to 20,441,368.80, 30,662,053.19 and 8,307,989.49

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Solution

The fourth proportional to 20,441,368.80, 30,662,053.19 and 8,307,989.49 is: 12,461,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441,368.80 : 30,662,053.19 = 8,307,989.49 : x
  2. Step 2: Convert to fraction form
    20,441,368.80/30,662,053.19 = 8,307,989.49/x
  3. Step 3: Cross multiply
    20,441,368.80x = 30,662,053.19 × 8,307,989.49
  4. Step 4: Simplify right side
    20,441,368.80x = 254,740,015,602,801.03
  5. Step 5: Solve for x
    x = 254,740,015,602,801.03/20,441,368.80
  6. Step 6: Final answer
    x = 12,461,984.23

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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.