Home / 30,939,422.72-46,182,027.10-28,659,344

Finding the Fourth Proportional to 30,939,422.72, 46,182,027.10 and 28,659,344

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Solution

The fourth proportional to 30,939,422.72, 46,182,027.10 and 28,659,344 is: 42,778,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939,422.72 : 46,182,027.10 = 28,659,344 : x
  2. Step 2: Convert to fraction form
    30,939,422.72/46,182,027.10 = 28,659,344/x
  3. Step 3: Cross multiply
    30,939,422.72x = 46,182,027.10 × 28,659,344
  4. Step 4: Simplify right side
    30,939,422.72x = 1,323,546,601,276,222.50
  5. Step 5: Solve for x
    x = 1,323,546,601,276,222.50/30,939,422.72
  6. Step 6: Final answer
    x = 42,778,645.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.