Home / 7,261,895.08-10,021,018.26-3,998,089.90

Finding the Fourth Proportional to 7,261,895.08, 10,021,018.26 and 3,998,089.90

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Solution

The fourth proportional to 7,261,895.08, 10,021,018.26 and 3,998,089.90 is: 5,517,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,895.08 : 10,021,018.26 = 3,998,089.90 : x
  2. Step 2: Convert to fraction form
    7,261,895.08/10,021,018.26 = 3,998,089.90/x
  3. Step 3: Cross multiply
    7,261,895.08x = 10,021,018.26 × 3,998,089.90
  4. Step 4: Simplify right side
    7,261,895.08x = 40,064,931,893,021.57
  5. Step 5: Solve for x
    x = 40,064,931,893,021.57/7,261,895.08
  6. Step 6: Final answer
    x = 5,517,145.52

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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.