Home / 11,693,320.80-17,539,981.20-7,662,242.40

Finding the Fourth Proportional to 11,693,320.80, 17,539,981.20 and 7,662,242.40

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Solution

The fourth proportional to 11,693,320.80, 17,539,981.20 and 7,662,242.40 is: 11,493,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693,320.80 : 17,539,981.20 = 7,662,242.40 : x
  2. Step 2: Convert to fraction form
    11,693,320.80/17,539,981.20 = 7,662,242.40/x
  3. Step 3: Cross multiply
    11,693,320.80x = 17,539,981.20 × 7,662,242.40
  4. Step 4: Simplify right side
    11,693,320.80x = 134,395,587,645,842.88
  5. Step 5: Solve for x
    x = 134,395,587,645,842.88/11,693,320.80
  6. Step 6: Final answer
    x = 11,493,363.60

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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.