Home / 25,492,291.20-35,178,917.12-13,889,950.72

Finding the Fourth Proportional to 25,492,291.20, 35,178,917.12 and 13,889,950.72

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Solution

The fourth proportional to 25,492,291.20, 35,178,917.12 and 13,889,950.72 is: 19,167,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492,291.20 : 35,178,917.12 = 13,889,950.72 : x
  2. Step 2: Convert to fraction form
    25,492,291.20/35,178,917.12 = 13,889,950.72/x
  3. Step 3: Cross multiply
    25,492,291.20x = 35,178,917.12 × 13,889,950.72
  4. Step 4: Simplify right side
    25,492,291.20x = 488,633,425,179,764.31
  5. Step 5: Solve for x
    x = 488,633,425,179,764.31/25,492,291.20
  6. Step 6: Final answer
    x = 19,167,889.67

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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.