Home / 12,921,374.64-17,831,498.58-7,492,015.92

Finding the Fourth Proportional to 12,921,374.64, 17,831,498.58 and 7,492,015.92

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Solution

The fourth proportional to 12,921,374.64, 17,831,498.58 and 7,492,015.92 is: 10,338,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,921,374.64 : 17,831,498.58 = 7,492,015.92 : x
  2. Step 2: Convert to fraction form
    12,921,374.64/17,831,498.58 = 7,492,015.92/x
  3. Step 3: Cross multiply
    12,921,374.64x = 17,831,498.58 × 7,492,015.92
  4. Step 4: Simplify right side
    12,921,374.64x = 133,593,871,238,817.38
  5. Step 5: Solve for x
    x = 133,593,871,238,817.38/12,921,374.64
  6. Step 6: Final answer
    x = 10,338,982.88

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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.