Home / 13,835,005.60-20,758,413.30-6,642,837.40

Finding the Fourth Proportional to 13,835,005.60, 20,758,413.30 and 6,642,837.40

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Solution

The fourth proportional to 13,835,005.60, 20,758,413.30 and 6,642,837.40 is: 9,967,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835,005.60 : 20,758,413.30 = 6,642,837.40 : x
  2. Step 2: Convert to fraction form
    13,835,005.60/20,758,413.30 = 6,642,837.40/x
  3. Step 3: Cross multiply
    13,835,005.60x = 20,758,413.30 × 6,642,837.40
  4. Step 4: Simplify right side
    13,835,005.60x = 137,894,764,233,897.44
  5. Step 5: Solve for x
    x = 137,894,764,233,897.44/13,835,005.60
  6. Step 6: Final answer
    x = 9,967,091.32

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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.