Home / 10,853,317.60-16,298,638.80-7,680,709.60

Finding the Fourth Proportional to 10,853,317.60, 16,298,638.80 and 7,680,709.60

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Solution

The fourth proportional to 10,853,317.60, 16,298,638.80 and 7,680,709.60 is: 11,534,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,317.60 : 16,298,638.80 = 7,680,709.60 : x
  2. Step 2: Convert to fraction form
    10,853,317.60/16,298,638.80 = 7,680,709.60/x
  3. Step 3: Cross multiply
    10,853,317.60x = 16,298,638.80 × 7,680,709.60
  4. Step 4: Simplify right side
    10,853,317.60x = 125,185,111,498,092.48
  5. Step 5: Solve for x
    x = 125,185,111,498,092.48/10,853,317.60
  6. Step 6: Final answer
    x = 11,534,271.47

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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.