Home / 7,699,875.20-11,549,812.80-7,028,028.80

Finding the Fourth Proportional to 7,699,875.20, 11,549,812.80 and 7,028,028.80

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Solution

The fourth proportional to 7,699,875.20, 11,549,812.80 and 7,028,028.80 is: 10,542,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699,875.20 : 11,549,812.80 = 7,028,028.80 : x
  2. Step 2: Convert to fraction form
    7,699,875.20/11,549,812.80 = 7,028,028.80/x
  3. Step 3: Cross multiply
    7,699,875.20x = 11,549,812.80 × 7,028,028.80
  4. Step 4: Simplify right side
    7,699,875.20x = 81,172,416,993,008.64
  5. Step 5: Solve for x
    x = 81,172,416,993,008.64/7,699,875.20
  6. Step 6: Final answer
    x = 10,542,043.20

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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.