Home / 15,214,749.93-20,989,757.10-10,065,283.47

Finding the Fourth Proportional to 15,214,749.93, 20,989,757.10 and 10,065,283.47

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Solution

The fourth proportional to 15,214,749.93, 20,989,757.10 and 10,065,283.47 is: 13,885,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214,749.93 : 20,989,757.10 = 10,065,283.47 : x
  2. Step 2: Convert to fraction form
    15,214,749.93/20,989,757.10 = 10,065,283.47/x
  3. Step 3: Cross multiply
    15,214,749.93x = 20,989,757.10 × 10,065,283.47
  4. Step 4: Simplify right side
    15,214,749.93x = 211,267,855,177,945.16
  5. Step 5: Solve for x
    x = 211,267,855,177,945.16/15,214,749.93
  6. Step 6: Final answer
    x = 13,885,726.43

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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.