Home / 28,526,496.80-42,789,745.20-10,571,885.60

Finding the Fourth Proportional to 28,526,496.80, 42,789,745.20 and 10,571,885.60

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Solution

The fourth proportional to 28,526,496.80, 42,789,745.20 and 10,571,885.60 is: 15,857,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526,496.80 : 42,789,745.20 = 10,571,885.60 : x
  2. Step 2: Convert to fraction form
    28,526,496.80/42,789,745.20 = 10,571,885.60/x
  3. Step 3: Cross multiply
    28,526,496.80x = 42,789,745.20 × 10,571,885.60
  4. Step 4: Simplify right side
    28,526,496.80x = 452,368,291,107,549.12
  5. Step 5: Solve for x
    x = 452,368,291,107,549.12/28,526,496.80
  6. Step 6: Final answer
    x = 15,857,828.40

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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.