Home / 13,042,046.80-19,563,070.20-7,996,200.40

Finding the Fourth Proportional to 13,042,046.80, 19,563,070.20 and 7,996,200.40

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Solution

The fourth proportional to 13,042,046.80, 19,563,070.20 and 7,996,200.40 is: 11,994,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,046.80 : 19,563,070.20 = 7,996,200.40 : x
  2. Step 2: Convert to fraction form
    13,042,046.80/19,563,070.20 = 7,996,200.40/x
  3. Step 3: Cross multiply
    13,042,046.80x = 19,563,070.20 × 7,996,200.40
  4. Step 4: Simplify right side
    13,042,046.80x = 156,430,229,758,468.09
  5. Step 5: Solve for x
    x = 156,430,229,758,468.09/13,042,046.80
  6. Step 6: Final answer
    x = 11,994,300.60

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Similar ratio
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1.5x scale

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.