Home / 10,859,166.60-16,288,749.90-7,221,748.20

Finding the Fourth Proportional to 10,859,166.60, 16,288,749.90 and 7,221,748.20

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Solution

The fourth proportional to 10,859,166.60, 16,288,749.90 and 7,221,748.20 is: 10,832,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859,166.60 : 16,288,749.90 = 7,221,748.20 : x
  2. Step 2: Convert to fraction form
    10,859,166.60/16,288,749.90 = 7,221,748.20/x
  3. Step 3: Cross multiply
    10,859,166.60x = 16,288,749.90 × 7,221,748.20
  4. Step 4: Simplify right side
    10,859,166.60x = 117,633,250,270,575.19
  5. Step 5: Solve for x
    x = 117,633,250,270,575.19/10,859,166.60
  6. Step 6: Final answer
    x = 10,832,622.30

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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.