Home / 10,598,945.40-15,898,418.10-9,961,216.20

Finding the Fourth Proportional to 10,598,945.40, 15,898,418.10 and 9,961,216.20

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Solution

The fourth proportional to 10,598,945.40, 15,898,418.10 and 9,961,216.20 is: 14,941,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,945.40 : 15,898,418.10 = 9,961,216.20 : x
  2. Step 2: Convert to fraction form
    10,598,945.40/15,898,418.10 = 9,961,216.20/x
  3. Step 3: Cross multiply
    10,598,945.40x = 15,898,418.10 × 9,961,216.20
  4. Step 4: Simplify right side
    10,598,945.40x = 158,367,579,932,093.22
  5. Step 5: Solve for x
    x = 158,367,579,932,093.22/10,598,945.40
  6. Step 6: Final answer
    x = 14,941,824.30

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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.