Home / 6,815,009.40-10,213,830.90-3,621,665.40

Finding the Fourth Proportional to 6,815,009.40, 10,213,830.90 and 3,621,665.40

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Solution

The fourth proportional to 6,815,009.40, 10,213,830.90 and 3,621,665.40 is: 5,427,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,009.40 : 10,213,830.90 = 3,621,665.40 : x
  2. Step 2: Convert to fraction form
    6,815,009.40/10,213,830.90 = 3,621,665.40/x
  3. Step 3: Cross multiply
    6,815,009.40x = 10,213,830.90 × 3,621,665.40
  4. Step 4: Simplify right side
    6,815,009.40x = 36,991,077,971,980.86
  5. Step 5: Solve for x
    x = 36,991,077,971,980.86/6,815,009.40
  6. Step 6: Final answer
    x = 5,427,883.63

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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.