Home / 12,447,023.76-18,659,886.30-4,776,173.64

Finding the Fourth Proportional to 12,447,023.76, 18,659,886.30 and 4,776,173.64

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Solution

The fourth proportional to 12,447,023.76, 18,659,886.30 and 4,776,173.64 is: 7,160,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,023.76 : 18,659,886.30 = 4,776,173.64 : x
  2. Step 2: Convert to fraction form
    12,447,023.76/18,659,886.30 = 4,776,173.64/x
  3. Step 3: Cross multiply
    12,447,023.76x = 18,659,886.30 × 4,776,173.64
  4. Step 4: Simplify right side
    12,447,023.76x = 89,122,857,071,457.12
  5. Step 5: Solve for x
    x = 89,122,857,071,457.12/12,447,023.76
  6. Step 6: Final answer
    x = 7,160,174.09

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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.