Home / 11,704,281.20-17,556,421.80-10,287,105.20

Finding the Fourth Proportional to 11,704,281.20, 17,556,421.80 and 10,287,105.20

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Solution

The fourth proportional to 11,704,281.20, 17,556,421.80 and 10,287,105.20 is: 15,430,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704,281.20 : 17,556,421.80 = 10,287,105.20 : x
  2. Step 2: Convert to fraction form
    11,704,281.20/17,556,421.80 = 10,287,105.20/x
  3. Step 3: Cross multiply
    11,704,281.20x = 17,556,421.80 × 10,287,105.20
  4. Step 4: Simplify right side
    11,704,281.20x = 180,604,757,992,173.34
  5. Step 5: Solve for x
    x = 180,604,757,992,173.34/11,704,281.20
  6. Step 6: Final answer
    x = 15,430,657.80

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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.