Home / 21,874,438.40-32,811,657.60-15,491,897.60

Finding the Fourth Proportional to 21,874,438.40, 32,811,657.60 and 15,491,897.60

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Solution

The fourth proportional to 21,874,438.40, 32,811,657.60 and 15,491,897.60 is: 23,237,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874,438.40 : 32,811,657.60 = 15,491,897.60 : x
  2. Step 2: Convert to fraction form
    21,874,438.40/32,811,657.60 = 15,491,897.60/x
  3. Step 3: Cross multiply
    21,874,438.40x = 32,811,657.60 × 15,491,897.60
  4. Step 4: Simplify right side
    21,874,438.40x = 508,314,839,625,461.75
  5. Step 5: Solve for x
    x = 508,314,839,625,461.75/21,874,438.40
  6. Step 6: Final answer
    x = 23,237,846.40

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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.