Home / 12,161,870.51-16,783,382.58-6,655,246.50

Finding the Fourth Proportional to 12,161,870.51, 16,783,382.58 and 6,655,246.50

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Solution

The fourth proportional to 12,161,870.51, 16,783,382.58 and 6,655,246.50 is: 9,184,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,870.51 : 16,783,382.58 = 6,655,246.50 : x
  2. Step 2: Convert to fraction form
    12,161,870.51/16,783,382.58 = 6,655,246.50/x
  3. Step 3: Cross multiply
    12,161,870.51x = 16,783,382.58 × 6,655,246.50
  4. Step 4: Simplify right side
    12,161,870.51x = 111,697,548,173,705.95
  5. Step 5: Solve for x
    x = 111,697,548,173,705.95/12,161,870.51
  6. Step 6: Final answer
    x = 9,184,240.87

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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.