Home / 11,078,825.30-16,618,237.95-10,406,978.90

Finding the Fourth Proportional to 11,078,825.30, 16,618,237.95 and 10,406,978.90

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Solution

The fourth proportional to 11,078,825.30, 16,618,237.95 and 10,406,978.90 is: 15,610,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,825.30 : 16,618,237.95 = 10,406,978.90 : x
  2. Step 2: Convert to fraction form
    11,078,825.30/16,618,237.95 = 10,406,978.90/x
  3. Step 3: Cross multiply
    11,078,825.30x = 16,618,237.95 × 10,406,978.90
  4. Step 4: Simplify right side
    11,078,825.30x = 172,945,651,700,829.25
  5. Step 5: Solve for x
    x = 172,945,651,700,829.25/11,078,825.30
  6. Step 6: Final answer
    x = 15,610,468.35

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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.