Home / 18,892,617.20-26,079,856.43-12,701,254.67

Finding the Fourth Proportional to 18,892,617.20, 26,079,856.43 and 12,701,254.67

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Solution

The fourth proportional to 18,892,617.20, 26,079,856.43 and 12,701,254.67 is: 17,533,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892,617.20 : 26,079,856.43 = 12,701,254.67 : x
  2. Step 2: Convert to fraction form
    18,892,617.20/26,079,856.43 = 12,701,254.67/x
  3. Step 3: Cross multiply
    18,892,617.20x = 26,079,856.43 × 12,701,254.67
  4. Step 4: Simplify right side
    18,892,617.20x = 331,246,898,276,160.38
  5. Step 5: Solve for x
    x = 331,246,898,276,160.38/18,892,617.20
  6. Step 6: Final answer
    x = 17,533,139.79

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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.