Home / 15,009,794.60-20,713,534.50-8,134,276.66

Finding the Fourth Proportional to 15,009,794.60, 20,713,534.50 and 8,134,276.66

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Solution

The fourth proportional to 15,009,794.60, 20,713,534.50 and 8,134,276.66 is: 11,225,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,794.60 : 20,713,534.50 = 8,134,276.66 : x
  2. Step 2: Convert to fraction form
    15,009,794.60/20,713,534.50 = 8,134,276.66/x
  3. Step 3: Cross multiply
    15,009,794.60x = 20,713,534.50 × 8,134,276.66
  4. Step 4: Simplify right side
    15,009,794.60x = 168,489,620,229,454.78
  5. Step 5: Solve for x
    x = 168,489,620,229,454.78/15,009,794.60
  6. Step 6: Final answer
    x = 11,225,311.52

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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.