Home / 8,111,027.90-12,158,133.85-5,071,413.64

Finding the Fourth Proportional to 8,111,027.90, 12,158,133.85 and 5,071,413.64

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Solution

The fourth proportional to 8,111,027.90, 12,158,133.85 and 5,071,413.64 is: 7,601,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111,027.90 : 12,158,133.85 = 5,071,413.64 : x
  2. Step 2: Convert to fraction form
    8,111,027.90/12,158,133.85 = 5,071,413.64/x
  3. Step 3: Cross multiply
    8,111,027.90x = 12,158,133.85 × 5,071,413.64
  4. Step 4: Simplify right side
    8,111,027.90x = 61,658,925,843,835.71
  5. Step 5: Solve for x
    x = 61,658,925,843,835.71/8,111,027.90
  6. Step 6: Final answer
    x = 7,601,863.36

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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.