Home / 18,571,967.31-25,629,364.29-10,312,044.96

Finding the Fourth Proportional to 18,571,967.31, 25,629,364.29 and 10,312,044.96

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Solution

The fourth proportional to 18,571,967.31, 25,629,364.29 and 10,312,044.96 is: 14,230,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571,967.31 : 25,629,364.29 = 10,312,044.96 : x
  2. Step 2: Convert to fraction form
    18,571,967.31/25,629,364.29 = 10,312,044.96/x
  3. Step 3: Cross multiply
    18,571,967.31x = 25,629,364.29 × 10,312,044.96
  4. Step 4: Simplify right side
    18,571,967.31x = 264,291,156,854,698.50
  5. Step 5: Solve for x
    x = 264,291,156,854,698.50/18,571,967.31
  6. Step 6: Final answer
    x = 14,230,649.48

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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.