Home / 30,108,356.70-41,549,310.63-16,357,433.82

Finding the Fourth Proportional to 30,108,356.70, 41,549,310.63 and 16,357,433.82

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Solution

The fourth proportional to 30,108,356.70, 41,549,310.63 and 16,357,433.82 is: 22,573,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108,356.70 : 41,549,310.63 = 16,357,433.82 : x
  2. Step 2: Convert to fraction form
    30,108,356.70/41,549,310.63 = 16,357,433.82/x
  3. Step 3: Cross multiply
    30,108,356.70x = 41,549,310.63 × 16,357,433.82
  4. Step 4: Simplify right side
    30,108,356.70x = 679,640,098,896,847.62
  5. Step 5: Solve for x
    x = 679,640,098,896,847.62/30,108,356.70
  6. Step 6: Final answer
    x = 22,573,138.27

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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.