Home / 9,361,359.19-12,918,693.25-5,231,390.36

Finding the Fourth Proportional to 9,361,359.19, 12,918,693.25 and 5,231,390.36

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Solution

The fourth proportional to 9,361,359.19, 12,918,693.25 and 5,231,390.36 is: 7,219,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,359.19 : 12,918,693.25 = 5,231,390.36 : x
  2. Step 2: Convert to fraction form
    9,361,359.19/12,918,693.25 = 5,231,390.36/x
  3. Step 3: Cross multiply
    9,361,359.19x = 12,918,693.25 × 5,231,390.36
  4. Step 4: Simplify right side
    9,361,359.19x = 67,582,727,295,415.99
  5. Step 5: Solve for x
    x = 67,582,727,295,415.99/9,361,359.19
  6. Step 6: Final answer
    x = 7,219,328.51

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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.