Home / 21,188,893.02-29,243,867.35-12,933,740.76

Finding the Fourth Proportional to 21,188,893.02, 29,243,867.35 and 12,933,740.76

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Solution

The fourth proportional to 21,188,893.02, 29,243,867.35 and 12,933,740.76 is: 17,850,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,188,893.02 : 29,243,867.35 = 12,933,740.76 : x
  2. Step 2: Convert to fraction form
    21,188,893.02/29,243,867.35 = 12,933,740.76/x
  3. Step 3: Cross multiply
    21,188,893.02x = 29,243,867.35 × 12,933,740.76
  4. Step 4: Simplify right side
    21,188,893.02x = 378,232,599,171,489.81
  5. Step 5: Solve for x
    x = 378,232,599,171,489.81/21,188,893.02
  6. Step 6: Final answer
    x = 17,850,512.47

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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.