Home / 13,699,330.47-20,556,518.99-7,949,095.11

Finding the Fourth Proportional to 13,699,330.47, 20,556,518.99 and 7,949,095.11

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Solution

The fourth proportional to 13,699,330.47, 20,556,518.99 and 7,949,095.11 is: 11,928,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699,330.47 : 20,556,518.99 = 7,949,095.11 : x
  2. Step 2: Convert to fraction form
    13,699,330.47/20,556,518.99 = 7,949,095.11/x
  3. Step 3: Cross multiply
    13,699,330.47x = 20,556,518.99 × 7,949,095.11
  4. Step 4: Simplify right side
    13,699,330.47x = 163,405,724,542,285.66
  5. Step 5: Solve for x
    x = 163,405,724,542,285.66/13,699,330.47
  6. Step 6: Final answer
    x = 11,928,008.08

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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.