Home / 8,500,010.79-12,748,770.52-4,180,901.67

Finding the Fourth Proportional to 8,500,010.79, 12,748,770.52 and 4,180,901.67

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Solution

The fourth proportional to 8,500,010.79, 12,748,770.52 and 4,180,901.67 is: 6,270,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,010.79 : 12,748,770.52 = 4,180,901.67 : x
  2. Step 2: Convert to fraction form
    8,500,010.79/12,748,770.52 = 4,180,901.67/x
  3. Step 3: Cross multiply
    8,500,010.79x = 12,748,770.52 × 4,180,901.67
  4. Step 4: Simplify right side
    8,500,010.79x = 53,301,355,957,514.77
  5. Step 5: Solve for x
    x = 53,301,355,957,514.77/8,500,010.79
  6. Step 6: Final answer
    x = 6,270,739.80

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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.