Home / 34,369,452.36-47,429,786.52-19,689,870.96

Finding the Fourth Proportional to 34,369,452.36, 47,429,786.52 and 19,689,870.96

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Solution

The fourth proportional to 34,369,452.36, 47,429,786.52 and 19,689,870.96 is: 27,171,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,369,452.36 : 47,429,786.52 = 19,689,870.96 : x
  2. Step 2: Convert to fraction form
    34,369,452.36/47,429,786.52 = 19,689,870.96/x
  3. Step 3: Cross multiply
    34,369,452.36x = 47,429,786.52 × 19,689,870.96
  4. Step 4: Simplify right side
    34,369,452.36x = 933,886,376,239,147.62
  5. Step 5: Solve for x
    x = 933,886,376,239,147.62/34,369,452.36
  6. Step 6: Final answer
    x = 27,171,988.85

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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.