Home / 30,008,351.78-41,411,567.48-16,257,315.91

Finding the Fourth Proportional to 30,008,351.78, 41,411,567.48 and 16,257,315.91

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Solution

The fourth proportional to 30,008,351.78, 41,411,567.48 and 16,257,315.91 is: 22,435,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008,351.78 : 41,411,567.48 = 16,257,315.91 : x
  2. Step 2: Convert to fraction form
    30,008,351.78/41,411,567.48 = 16,257,315.91/x
  3. Step 3: Cross multiply
    30,008,351.78x = 41,411,567.48 × 16,257,315.91
  4. Step 4: Simplify right side
    30,008,351.78x = 673,240,934,787,757
  5. Step 5: Solve for x
    x = 673,240,934,787,757/30,008,351.78
  6. Step 6: Final answer
    x = 22,435,118.72

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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.