Home / 8,831,631.89-12,185,865.89-5,159,839.32

Finding the Fourth Proportional to 8,831,631.89, 12,185,865.89 and 5,159,839.32

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Solution

The fourth proportional to 8,831,631.89, 12,185,865.89 and 5,159,839.32 is: 7,119,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831,631.89 : 12,185,865.89 = 5,159,839.32 : x
  2. Step 2: Convert to fraction form
    8,831,631.89/12,185,865.89 = 5,159,839.32/x
  3. Step 3: Cross multiply
    8,831,631.89x = 12,185,865.89 × 5,159,839.32
  4. Step 4: Simplify right side
    8,831,631.89x = 62,877,109,961,019
  5. Step 5: Solve for x
    x = 62,877,109,961,019/8,831,631.89
  6. Step 6: Final answer
    x = 7,119,534.73

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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.