Home / 30,781,659.70-46,172,489.55-8,064,853.30

Finding the Fourth Proportional to 30,781,659.70, 46,172,489.55 and 8,064,853.30

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Solution

The fourth proportional to 30,781,659.70, 46,172,489.55 and 8,064,853.30 is: 12,097,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,781,659.70 : 46,172,489.55 = 8,064,853.30 : x
  2. Step 2: Convert to fraction form
    30,781,659.70/46,172,489.55 = 8,064,853.30/x
  3. Step 3: Cross multiply
    30,781,659.70x = 46,172,489.55 × 8,064,853.30
  4. Step 4: Simplify right side
    30,781,659.70x = 372,374,354,716,533
  5. Step 5: Solve for x
    x = 372,374,354,716,533/30,781,659.70
  6. Step 6: Final answer
    x = 12,097,279.95

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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.