Home / 10,853,315.60-16,298,635.80-7,680,707.60

Finding the Fourth Proportional to 10,853,315.60, 16,298,635.80 and 7,680,707.60

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Solution

The fourth proportional to 10,853,315.60, 16,298,635.80 and 7,680,707.60 is: 11,534,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,315.60 : 16,298,635.80 = 7,680,707.60 : x
  2. Step 2: Convert to fraction form
    10,853,315.60/16,298,635.80 = 7,680,707.60/x
  3. Step 3: Cross multiply
    10,853,315.60x = 16,298,635.80 × 7,680,707.60
  4. Step 4: Simplify right side
    10,853,315.60x = 125,185,055,858,692.08
  5. Step 5: Solve for x
    x = 125,185,055,858,692.08/10,853,315.60
  6. Step 6: Final answer
    x = 11,534,268.46

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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.