Home / 10,471,963.40-15,707,945.10-2,898,929.15

Finding the Fourth Proportional to 10,471,963.40, 15,707,945.10 and 2,898,929.15

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Solution

The fourth proportional to 10,471,963.40, 15,707,945.10 and 2,898,929.15 is: 4,348,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471,963.40 : 15,707,945.10 = 2,898,929.15 : x
  2. Step 2: Convert to fraction form
    10,471,963.40/15,707,945.10 = 2,898,929.15/x
  3. Step 3: Cross multiply
    10,471,963.40x = 15,707,945.10 × 2,898,929.15
  4. Step 4: Simplify right side
    10,471,963.40x = 45,536,219,936,989.66
  5. Step 5: Solve for x
    x = 45,536,219,936,989.66/10,471,963.40
  6. Step 6: Final answer
    x = 4,348,393.73

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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.