Home / 21,871,915.60-32,807,873.40-13,368,859.60

Finding the Fourth Proportional to 21,871,915.60, 32,807,873.40 and 13,368,859.60

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Solution

The fourth proportional to 21,871,915.60, 32,807,873.40 and 13,368,859.60 is: 20,053,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,915.60 : 32,807,873.40 = 13,368,859.60 : x
  2. Step 2: Convert to fraction form
    21,871,915.60/32,807,873.40 = 13,368,859.60/x
  3. Step 3: Cross multiply
    21,871,915.60x = 32,807,873.40 × 13,368,859.60
  4. Step 4: Simplify right side
    21,871,915.60x = 438,603,853,259,174.62
  5. Step 5: Solve for x
    x = 438,603,853,259,174.62/21,871,915.60
  6. Step 6: Final answer
    x = 20,053,289.40

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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.