Home / 10,398,216.20-15,576,329.10-5,905,243.40

Finding the Fourth Proportional to 10,398,216.20, 15,576,329.10 and 5,905,243.40

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Solution

The fourth proportional to 10,398,216.20, 15,576,329.10 and 5,905,243.40 is: 8,845,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398,216.20 : 15,576,329.10 = 5,905,243.40 : x
  2. Step 2: Convert to fraction form
    10,398,216.20/15,576,329.10 = 5,905,243.40/x
  3. Step 3: Cross multiply
    10,398,216.20x = 15,576,329.10 × 5,905,243.40
  4. Step 4: Simplify right side
    10,398,216.20x = 91,982,014,614,002.94
  5. Step 5: Solve for x
    x = 91,982,014,614,002.94/10,398,216.20
  6. Step 6: Final answer
    x = 8,845,941.73

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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.