Home / 9,158,028.68-12,638,104.45-5,028,327.31

Finding the Fourth Proportional to 9,158,028.68, 12,638,104.45 and 5,028,327.31

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Solution

The fourth proportional to 9,158,028.68, 12,638,104.45 and 5,028,327.31 is: 6,939,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158,028.68 : 12,638,104.45 = 5,028,327.31 : x
  2. Step 2: Convert to fraction form
    9,158,028.68/12,638,104.45 = 5,028,327.31/x
  3. Step 3: Cross multiply
    9,158,028.68x = 12,638,104.45 × 5,028,327.31
  4. Step 4: Simplify right side
    9,158,028.68x = 63,548,525,752,567.52
  5. Step 5: Solve for x
    x = 63,548,525,752,567.52/9,158,028.68
  6. Step 6: Final answer
    x = 6,939,105.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.