Home / 21,462,677.20-32,194,015.80-7,087,963.60

Finding the Fourth Proportional to 21,462,677.20, 32,194,015.80 and 7,087,963.60

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Solution

The fourth proportional to 21,462,677.20, 32,194,015.80 and 7,087,963.60 is: 10,631,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462,677.20 : 32,194,015.80 = 7,087,963.60 : x
  2. Step 2: Convert to fraction form
    21,462,677.20/32,194,015.80 = 7,087,963.60/x
  3. Step 3: Cross multiply
    21,462,677.20x = 32,194,015.80 × 7,087,963.60
  4. Step 4: Simplify right side
    21,462,677.20x = 228,190,012,128,224.88
  5. Step 5: Solve for x
    x = 228,190,012,128,224.88/21,462,677.20
  6. Step 6: Final answer
    x = 10,631,945.40

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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.