Home / 30,767,954.40-46,152,009.78-12,572,149.62

Finding the Fourth Proportional to 30,767,954.40, 46,152,009.78 and 12,572,149.62

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Solution

The fourth proportional to 30,767,954.40, 46,152,009.78 and 12,572,149.62 is: 18,858,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,954.40 : 46,152,009.78 = 12,572,149.62 : x
  2. Step 2: Convert to fraction form
    30,767,954.40/46,152,009.78 = 12,572,149.62/x
  3. Step 3: Cross multiply
    30,767,954.40x = 46,152,009.78 × 12,572,149.62
  4. Step 4: Simplify right side
    30,767,954.40x = 580,229,972,217,863.25
  5. Step 5: Solve for x
    x = 580,229,972,217,863.25/30,767,954.40
  6. Step 6: Final answer
    x = 18,858,256.38

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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.