Home / 13,252,583.80-19,867,211.70-8,978,894.20

Finding the Fourth Proportional to 13,252,583.80, 19,867,211.70 and 8,978,894.20

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Solution

The fourth proportional to 13,252,583.80, 19,867,211.70 and 8,978,894.20 is: 13,460,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252,583.80 : 19,867,211.70 = 8,978,894.20 : x
  2. Step 2: Convert to fraction form
    13,252,583.80/19,867,211.70 = 8,978,894.20/x
  3. Step 3: Cross multiply
    13,252,583.80x = 19,867,211.70 × 8,978,894.20
  4. Step 4: Simplify right side
    13,252,583.80x = 178,385,591,903,302.12
  5. Step 5: Solve for x
    x = 178,385,591,903,302.12/13,252,583.80
  6. Step 6: Final answer
    x = 13,460,438.70

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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.