Home / 10,902,146.40-16,353,219.60-8,776,382.40

Finding the Fourth Proportional to 10,902,146.40, 16,353,219.60 and 8,776,382.40

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Solution

The fourth proportional to 10,902,146.40, 16,353,219.60 and 8,776,382.40 is: 13,164,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,146.40 : 16,353,219.60 = 8,776,382.40 : x
  2. Step 2: Convert to fraction form
    10,902,146.40/16,353,219.60 = 8,776,382.40/x
  3. Step 3: Cross multiply
    10,902,146.40x = 16,353,219.60 × 8,776,382.40
  4. Step 4: Simplify right side
    10,902,146.40x = 143,522,108,680,775.03
  5. Step 5: Solve for x
    x = 143,522,108,680,775.03/10,902,146.40
  6. Step 6: Final answer
    x = 13,164,573.60

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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.