Home / 7,000,945.80-10,500,122.70-1,951,211.40

Finding the Fourth Proportional to 7,000,945.80, 10,500,122.70 and 1,951,211.40

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Solution

The fourth proportional to 7,000,945.80, 10,500,122.70 and 1,951,211.40 is: 2,926,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,945.80 : 10,500,122.70 = 1,951,211.40 : x
  2. Step 2: Convert to fraction form
    7,000,945.80/10,500,122.70 = 1,951,211.40/x
  3. Step 3: Cross multiply
    7,000,945.80x = 10,500,122.70 × 1,951,211.40
  4. Step 4: Simplify right side
    7,000,945.80x = 20,487,959,113,638.78
  5. Step 5: Solve for x
    x = 20,487,959,113,638.78/7,000,945.80
  6. Step 6: Final answer
    x = 2,926,455.90

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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.