Home / 17,620,037.10-26,430,055.65-12,245,265.90

Finding the Fourth Proportional to 17,620,037.10, 26,430,055.65 and 12,245,265.90

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Solution

The fourth proportional to 17,620,037.10, 26,430,055.65 and 12,245,265.90 is: 18,367,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620,037.10 : 26,430,055.65 = 12,245,265.90 : x
  2. Step 2: Convert to fraction form
    17,620,037.10/26,430,055.65 = 12,245,265.90/x
  3. Step 3: Cross multiply
    17,620,037.10x = 26,430,055.65 × 12,245,265.90
  4. Step 4: Simplify right side
    17,620,037.10x = 323,643,059,186,047.31
  5. Step 5: Solve for x
    x = 323,643,059,186,047.31/17,620,037.10
  6. Step 6: Final answer
    x = 18,367,898.85

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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.