Home / 25,488,354.09-38,244,488.52-12,709,855.24

Finding the Fourth Proportional to 25,488,354.09, 38,244,488.52 and 12,709,855.24

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Solution

The fourth proportional to 25,488,354.09, 38,244,488.52 and 12,709,855.24 is: 19,070,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488,354.09 : 38,244,488.52 = 12,709,855.24 : x
  2. Step 2: Convert to fraction form
    25,488,354.09/38,244,488.52 = 12,709,855.24/x
  3. Step 3: Cross multiply
    25,488,354.09x = 38,244,488.52 × 12,709,855.24
  4. Step 4: Simplify right side
    25,488,354.09x = 486,081,912,817,041.88
  5. Step 5: Solve for x
    x = 486,081,912,817,041.88/25,488,354.09
  6. Step 6: Final answer
    x = 19,070,745.45

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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.