Home / 8,831,349.47-12,185,475.86-5,159,556.59

Finding the Fourth Proportional to 8,831,349.47, 12,185,475.86 and 5,159,556.59

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Solution

The fourth proportional to 8,831,349.47, 12,185,475.86 and 5,159,556.59 is: 7,119,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831,349.47 : 12,185,475.86 = 5,159,556.59 : x
  2. Step 2: Convert to fraction form
    8,831,349.47/12,185,475.86 = 5,159,556.59/x
  3. Step 3: Cross multiply
    8,831,349.47x = 12,185,475.86 × 5,159,556.59
  4. Step 4: Simplify right side
    8,831,349.47x = 62,871,652,227,720.43
  5. Step 5: Solve for x
    x = 62,871,652,227,720.43/8,831,349.47
  6. Step 6: Final answer
    x = 7,119,144.41

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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.