Home / 21,366,562.80-32,049,844.20-12,842,511.60

Finding the Fourth Proportional to 21,366,562.80, 32,049,844.20 and 12,842,511.60

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Solution

The fourth proportional to 21,366,562.80, 32,049,844.20 and 12,842,511.60 is: 19,263,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366,562.80 : 32,049,844.20 = 12,842,511.60 : x
  2. Step 2: Convert to fraction form
    21,366,562.80/32,049,844.20 = 12,842,511.60/x
  3. Step 3: Cross multiply
    21,366,562.80x = 32,049,844.20 × 12,842,511.60
  4. Step 4: Simplify right side
    21,366,562.80x = 411,600,495,916,692.69
  5. Step 5: Solve for x
    x = 411,600,495,916,692.69/21,366,562.80
  6. Step 6: Final answer
    x = 19,263,767.40

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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.