Home / 9,181,978.61-13,781,597.03-4,808,257.19

Finding the Fourth Proportional to 9,181,978.61, 13,781,597.03 and 4,808,257.19

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Solution

The fourth proportional to 9,181,978.61, 13,781,597.03 and 4,808,257.19 is: 7,216,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,978.61 : 13,781,597.03 = 4,808,257.19 : x
  2. Step 2: Convert to fraction form
    9,181,978.61/13,781,597.03 = 4,808,257.19/x
  3. Step 3: Cross multiply
    9,181,978.61x = 13,781,597.03 × 4,808,257.19
  4. Step 4: Simplify right side
    9,181,978.61x = 66,265,462,964,187.78
  5. Step 5: Solve for x
    x = 66,265,462,964,187.78/9,181,978.61
  6. Step 6: Final answer
    x = 7,216,904.53

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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.