Home / 7,020,115.86-10,535,664.78-3,608,264.64

Finding the Fourth Proportional to 7,020,115.86, 10,535,664.78 and 3,608,264.64

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Solution

The fourth proportional to 7,020,115.86, 10,535,664.78 and 3,608,264.64 is: 5,415,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,115.86 : 10,535,664.78 = 3,608,264.64 : x
  2. Step 2: Convert to fraction form
    7,020,115.86/10,535,664.78 = 3,608,264.64/x
  3. Step 3: Cross multiply
    7,020,115.86x = 10,535,664.78 × 3,608,264.64
  4. Step 4: Simplify right side
    7,020,115.86x = 38,015,466,684,567.38
  5. Step 5: Solve for x
    x = 38,015,466,684,567.38/7,020,115.86
  6. Step 6: Final answer
    x = 5,415,219.27

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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.