Home / 12,161,892.87-16,783,413.71-6,655,268.86

Finding the Fourth Proportional to 12,161,892.87, 16,783,413.71 and 6,655,268.86

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Solution

The fourth proportional to 12,161,892.87, 16,783,413.71 and 6,655,268.86 is: 9,184,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,892.87 : 16,783,413.71 = 6,655,268.86 : x
  2. Step 2: Convert to fraction form
    12,161,892.87/16,783,413.71 = 6,655,268.86/x
  3. Step 3: Cross multiply
    12,161,892.87x = 16,783,413.71 × 6,655,268.86
  4. Step 4: Simplify right side
    12,161,892.87x = 111,698,130,553,425.17
  5. Step 5: Solve for x
    x = 111,698,130,553,425.17/12,161,892.87
  6. Step 6: Final answer
    x = 9,184,271.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.