Home / 8,188,129.50-11,295,966.42-4,748,378.64

Finding the Fourth Proportional to 8,188,129.50, 11,295,966.42 and 4,748,378.64

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Solution

The fourth proportional to 8,188,129.50, 11,295,966.42 and 4,748,378.64 is: 6,550,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,129.50 : 11,295,966.42 = 4,748,378.64 : x
  2. Step 2: Convert to fraction form
    8,188,129.50/11,295,966.42 = 4,748,378.64/x
  3. Step 3: Cross multiply
    8,188,129.50x = 11,295,966.42 × 4,748,378.64
  4. Step 4: Simplify right side
    8,188,129.50x = 53,637,525,666,885.27
  5. Step 5: Solve for x
    x = 53,637,525,666,885.27/8,188,129.50
  6. Step 6: Final answer
    x = 6,550,644.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.