Home / 10,379,638.10-15,570,945.15-3,191,775.70

Finding the Fourth Proportional to 10,379,638.10, 15,570,945.15 and 3,191,775.70

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Solution

The fourth proportional to 10,379,638.10, 15,570,945.15 and 3,191,775.70 is: 4,788,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379,638.10 : 15,570,945.15 = 3,191,775.70 : x
  2. Step 2: Convert to fraction form
    10,379,638.10/15,570,945.15 = 3,191,775.70/x
  3. Step 3: Cross multiply
    10,379,638.10x = 15,570,945.15 × 3,191,775.70
  4. Step 4: Simplify right side
    10,379,638.10x = 49,698,964,355,802.86
  5. Step 5: Solve for x
    x = 49,698,964,355,802.86/10,379,638.10
  6. Step 6: Final answer
    x = 4,788,121.12

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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.