Home / 18,436,015.10-27,654,022.65-4,788,041.60

Finding the Fourth Proportional to 18,436,015.10, 27,654,022.65 and 4,788,041.60

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Solution

The fourth proportional to 18,436,015.10, 27,654,022.65 and 4,788,041.60 is: 7,182,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436,015.10 : 27,654,022.65 = 4,788,041.60 : x
  2. Step 2: Convert to fraction form
    18,436,015.10/27,654,022.65 = 4,788,041.60/x
  3. Step 3: Cross multiply
    18,436,015.10x = 27,654,022.65 × 4,788,041.60
  4. Step 4: Simplify right side
    18,436,015.10x = 132,408,610,855,542.22
  5. Step 5: Solve for x
    x = 132,408,610,855,542.22/18,436,015.10
  6. Step 6: Final answer
    x = 7,182,062.40

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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.