Home / 21,386,125.80-32,079,188.70-7,009,662.60

Finding the Fourth Proportional to 21,386,125.80, 32,079,188.70 and 7,009,662.60

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Solution

The fourth proportional to 21,386,125.80, 32,079,188.70 and 7,009,662.60 is: 10,514,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,125.80 : 32,079,188.70 = 7,009,662.60 : x
  2. Step 2: Convert to fraction form
    21,386,125.80/32,079,188.70 = 7,009,662.60/x
  3. Step 3: Cross multiply
    21,386,125.80x = 32,079,188.70 × 7,009,662.60
  4. Step 4: Simplify right side
    21,386,125.80x = 224,864,289,268,732.59
  5. Step 5: Solve for x
    x = 224,864,289,268,732.59/21,386,125.80
  6. Step 6: Final answer
    x = 10,514,493.90

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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.