Home / 7,035,893.70-10,553,840.55-6,643,983.30

Finding the Fourth Proportional to 7,035,893.70, 10,553,840.55 and 6,643,983.30

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Solution

The fourth proportional to 7,035,893.70, 10,553,840.55 and 6,643,983.30 is: 9,965,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035,893.70 : 10,553,840.55 = 6,643,983.30 : x
  2. Step 2: Convert to fraction form
    7,035,893.70/10,553,840.55 = 6,643,983.30/x
  3. Step 3: Cross multiply
    7,035,893.70x = 10,553,840.55 × 6,643,983.30
  4. Step 4: Simplify right side
    7,035,893.70x = 70,119,540,365,062.82
  5. Step 5: Solve for x
    x = 70,119,540,365,062.82/7,035,893.70
  6. Step 6: Final answer
    x = 9,965,974.95

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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.