Home / 17,620,043.10-26,430,064.65-12,245,271.90

Finding the Fourth Proportional to 17,620,043.10, 26,430,064.65 and 12,245,271.90

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Solution

The fourth proportional to 17,620,043.10, 26,430,064.65 and 12,245,271.90 is: 18,367,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620,043.10 : 26,430,064.65 = 12,245,271.90 : x
  2. Step 2: Convert to fraction form
    17,620,043.10/26,430,064.65 = 12,245,271.90/x
  3. Step 3: Cross multiply
    17,620,043.10x = 26,430,064.65 × 12,245,271.90
  4. Step 4: Simplify right side
    17,620,043.10x = 323,643,327,973,828.31
  5. Step 5: Solve for x
    x = 323,643,327,973,828.31/17,620,043.10
  6. Step 6: Final answer
    x = 18,367,907.85

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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.