Home / 13,689,959.16-20,522,756.34-6,497,055.48

Finding the Fourth Proportional to 13,689,959.16, 20,522,756.34 and 6,497,055.48

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Solution

The fourth proportional to 13,689,959.16, 20,522,756.34 and 6,497,055.48 is: 9,739,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,959.16 : 20,522,756.34 = 6,497,055.48 : x
  2. Step 2: Convert to fraction form
    13,689,959.16/20,522,756.34 = 6,497,055.48/x
  3. Step 3: Cross multiply
    13,689,959.16x = 20,522,756.34 × 6,497,055.48
  4. Step 4: Simplify right side
    13,689,959.16x = 133,337,486,543,501.75
  5. Step 5: Solve for x
    x = 133,337,486,543,501.75/13,689,959.16
  6. Step 6: Final answer
    x = 9,739,801.63

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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.