Home / 21,970,362.40-32,932,215.60-10,603,405.60

Finding the Fourth Proportional to 21,970,362.40, 32,932,215.60 and 10,603,405.60

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Solution

The fourth proportional to 21,970,362.40, 32,932,215.60 and 10,603,405.60 is: 15,893,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,970,362.40 : 32,932,215.60 = 10,603,405.60 : x
  2. Step 2: Convert to fraction form
    21,970,362.40/32,932,215.60 = 10,603,405.60/x
  3. Step 3: Cross multiply
    21,970,362.40x = 32,932,215.60 × 10,603,405.60
  4. Step 4: Simplify right side
    21,970,362.40x = 349,193,639,313,447.38
  5. Step 5: Solve for x
    x = 349,193,639,313,447.38/21,970,362.40
  6. Step 6: Final answer
    x = 15,893,849.77

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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.