Home / 21,871,915.30-32,807,872.95-18,364,404.70

Finding the Fourth Proportional to 21,871,915.30, 32,807,872.95 and 18,364,404.70

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Solution

The fourth proportional to 21,871,915.30, 32,807,872.95 and 18,364,404.70 is: 27,546,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,915.30 : 32,807,872.95 = 18,364,404.70 : x
  2. Step 2: Convert to fraction form
    21,871,915.30/32,807,872.95 = 18,364,404.70/x
  3. Step 3: Cross multiply
    21,871,915.30x = 32,807,872.95 × 18,364,404.70
  4. Step 4: Simplify right side
    21,871,915.30x = 602,497,056,199,982.88
  5. Step 5: Solve for x
    x = 602,497,056,199,982.88/21,871,915.30
  6. Step 6: Final answer
    x = 27,546,607.05

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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.