Home / 30,878,118.20-46,317,509.24-9,312,906.75

Finding the Fourth Proportional to 30,878,118.20, 46,317,509.24 and 9,312,906.75

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Solution

The fourth proportional to 30,878,118.20, 46,317,509.24 and 9,312,906.75 is: 13,969,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,878,118.20 : 46,317,509.24 = 9,312,906.75 : x
  2. Step 2: Convert to fraction form
    30,878,118.20/46,317,509.24 = 9,312,906.75/x
  3. Step 3: Cross multiply
    30,878,118.20x = 46,317,509.24 × 9,312,906.75
  4. Step 4: Simplify right side
    30,878,118.20x = 431,350,644,397,818.81
  5. Step 5: Solve for x
    x = 431,350,644,397,818.81/30,878,118.20
  6. Step 6: Final answer
    x = 13,969,460.24

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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.