Home / 12,161,868.51-16,783,379.82-6,655,244.50

Finding the Fourth Proportional to 12,161,868.51, 16,783,379.82 and 6,655,244.50

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Solution

The fourth proportional to 12,161,868.51, 16,783,379.82 and 6,655,244.50 is: 9,184,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,868.51 : 16,783,379.82 = 6,655,244.50 : x
  2. Step 2: Convert to fraction form
    12,161,868.51/16,783,379.82 = 6,655,244.50/x
  3. Step 3: Cross multiply
    12,161,868.51x = 16,783,379.82 × 6,655,244.50
  4. Step 4: Simplify right side
    12,161,868.51x = 111,697,496,165,038.72
  5. Step 5: Solve for x
    x = 111,697,496,165,038.72/12,161,868.51
  6. Step 6: Final answer
    x = 9,184,238.10

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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.