Home / 12,009,881.80-16,573,561.67-6,503,140.18

Finding the Fourth Proportional to 12,009,881.80, 16,573,561.67 and 6,503,140.18

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Solution

The fourth proportional to 12,009,881.80, 16,573,561.67 and 6,503,140.18 is: 8,974,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009,881.80 : 16,573,561.67 = 6,503,140.18 : x
  2. Step 2: Convert to fraction form
    12,009,881.80/16,573,561.67 = 6,503,140.18/x
  3. Step 3: Cross multiply
    12,009,881.80x = 16,573,561.67 × 6,503,140.18
  4. Step 4: Simplify right side
    12,009,881.80x = 107,780,194,858,859.70
  5. Step 5: Solve for x
    x = 107,780,194,858,859.70/12,009,881.80
  6. Step 6: Final answer
    x = 8,974,292.73

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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.