Home / 8,831,542.97-12,185,742.64-5,159,750.40

Finding the Fourth Proportional to 8,831,542.97, 12,185,742.64 and 5,159,750.40

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Solution

The fourth proportional to 8,831,542.97, 12,185,742.64 and 5,159,750.40 is: 7,119,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831,542.97 : 12,185,742.64 = 5,159,750.40 : x
  2. Step 2: Convert to fraction form
    8,831,542.97/12,185,742.64 = 5,159,750.40/x
  3. Step 3: Cross multiply
    8,831,542.97x = 12,185,742.64 × 5,159,750.40
  4. Step 4: Simplify right side
    8,831,542.97x = 62,875,390,438,049.03
  5. Step 5: Solve for x
    x = 62,875,390,438,049.03/8,831,542.97
  6. Step 6: Final answer
    x = 7,119,411.71

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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.