Home / 7,884,799.20-11,827,198.80-7,088,536.80

Finding the Fourth Proportional to 7,884,799.20, 11,827,198.80 and 7,088,536.80

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Solution

The fourth proportional to 7,884,799.20, 11,827,198.80 and 7,088,536.80 is: 10,632,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,799.20 : 11,827,198.80 = 7,088,536.80 : x
  2. Step 2: Convert to fraction form
    7,884,799.20/11,827,198.80 = 7,088,536.80/x
  3. Step 3: Cross multiply
    7,884,799.20x = 11,827,198.80 × 7,088,536.80
  4. Step 4: Simplify right side
    7,884,799.20x = 83,837,533,934,715.84
  5. Step 5: Solve for x
    x = 83,837,533,934,715.84/7,884,799.20
  6. Step 6: Final answer
    x = 10,632,805.20

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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.