Home / 7,919,999.64-10,928,038.86-4,821,691.32

Finding the Fourth Proportional to 7,919,999.64, 10,928,038.86 and 4,821,691.32

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Solution

The fourth proportional to 7,919,999.64, 10,928,038.86 and 4,821,691.32 is: 6,652,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919,999.64 : 10,928,038.86 = 4,821,691.32 : x
  2. Step 2: Convert to fraction form
    7,919,999.64/10,928,038.86 = 4,821,691.32/x
  3. Step 3: Cross multiply
    7,919,999.64x = 10,928,038.86 × 4,821,691.32
  4. Step 4: Simplify right side
    7,919,999.64x = 52,691,630,115,884.70
  5. Step 5: Solve for x
    x = 52,691,630,115,884.70/7,919,999.64
  6. Step 6: Final answer
    x = 6,652,983.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.