Home / 28,840,894.45-39,800,431.13-15,610,069.10

Finding the Fourth Proportional to 28,840,894.45, 39,800,431.13 and 15,610,069.10

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Solution

The fourth proportional to 28,840,894.45, 39,800,431.13 and 15,610,069.10 is: 21,541,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840,894.45 : 39,800,431.13 = 15,610,069.10 : x
  2. Step 2: Convert to fraction form
    28,840,894.45/39,800,431.13 = 15,610,069.10/x
  3. Step 3: Cross multiply
    28,840,894.45x = 39,800,431.13 × 15,610,069.10
  4. Step 4: Simplify right side
    28,840,894.45x = 621,287,480,170,541.75
  5. Step 5: Solve for x
    x = 621,287,480,170,541.75/28,840,894.45
  6. Step 6: Final answer
    x = 21,541,893.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.