Home / 7,689,859.86-11,535,936.48-2,831,792.52

Finding the Fourth Proportional to 7,689,859.86, 11,535,936.48 and 2,831,792.52

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Solution

The fourth proportional to 7,689,859.86, 11,535,936.48 and 2,831,792.52 is: 4,248,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,859.86 : 11,535,936.48 = 2,831,792.52 : x
  2. Step 2: Convert to fraction form
    7,689,859.86/11,535,936.48 = 2,831,792.52/x
  3. Step 3: Cross multiply
    7,689,859.86x = 11,535,936.48 × 2,831,792.52
  4. Step 4: Simplify right side
    7,689,859.86x = 32,667,378,635,259.13
  5. Step 5: Solve for x
    x = 32,667,378,635,259.13/7,689,859.86
  6. Step 6: Final answer
    x = 4,248,111.05

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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.