Home / 10,557,620.40-15,830,015.40-4,160,499.60

Finding the Fourth Proportional to 10,557,620.40, 15,830,015.40 and 4,160,499.60

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Solution

The fourth proportional to 10,557,620.40, 15,830,015.40 and 4,160,499.60 is: 6,238,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557,620.40 : 15,830,015.40 = 4,160,499.60 : x
  2. Step 2: Convert to fraction form
    10,557,620.40/15,830,015.40 = 4,160,499.60/x
  3. Step 3: Cross multiply
    10,557,620.40x = 15,830,015.40 × 4,160,499.60
  4. Step 4: Simplify right side
    10,557,620.40x = 65,860,772,739,693.84
  5. Step 5: Solve for x
    x = 65,860,772,739,693.84/10,557,620.40
  6. Step 6: Final answer
    x = 6,238,221.33

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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.