Home / 25,129,782-34,675,321.68-14,114,421.48

Finding the Fourth Proportional to 25,129,782, 34,675,321.68 and 14,114,421.48

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Solution

The fourth proportional to 25,129,782, 34,675,321.68 and 14,114,421.48 is: 19,475,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129,782 : 34,675,321.68 = 14,114,421.48 : x
  2. Step 2: Convert to fraction form
    25,129,782/34,675,321.68 = 14,114,421.48/x
  3. Step 3: Cross multiply
    25,129,782x = 34,675,321.68 × 14,114,421.48
  4. Step 4: Simplify right side
    25,129,782x = 489,422,105,146,101.69
  5. Step 5: Solve for x
    x = 489,422,105,146,101.69/25,129,782
  6. Step 6: Final answer
    x = 19,475,779.98

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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.