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Finding the Fourth Proportional to 14,892,882.51, 20,551,701.06 and 8,277,438.51

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Solution

The fourth proportional to 14,892,882.51, 20,551,701.06 and 8,277,438.51 is: 11,422,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892,882.51 : 20,551,701.06 = 8,277,438.51 : x
  2. Step 2: Convert to fraction form
    14,892,882.51/20,551,701.06 = 8,277,438.51/x
  3. Step 3: Cross multiply
    14,892,882.51x = 20,551,701.06 × 8,277,438.51
  4. Step 4: Simplify right side
    14,892,882.51x = 170,115,441,800,051.81
  5. Step 5: Solve for x
    x = 170,115,441,800,051.81/14,892,882.51
  6. Step 6: Final answer
    x = 11,422,600.14

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1.5x scale

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.