Home / 30,987,152.64-46,486,404.03-12,781,416.37

Finding the Fourth Proportional to 30,987,152.64, 46,486,404.03 and 12,781,416.37

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Solution

The fourth proportional to 30,987,152.64, 46,486,404.03 and 12,781,416.37 is: 19,174,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987,152.64 : 46,486,404.03 = 12,781,416.37 : x
  2. Step 2: Convert to fraction form
    30,987,152.64/46,486,404.03 = 12,781,416.37/x
  3. Step 3: Cross multiply
    30,987,152.64x = 46,486,404.03 × 12,781,416.37
  4. Step 4: Simplify right side
    30,987,152.64x = 594,162,085,387,568.88
  5. Step 5: Solve for x
    x = 594,162,085,387,568.88/30,987,152.64
  6. Step 6: Final answer
    x = 19,174,465.38

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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.