Home / 7,130,571.42-10,690,537.77-4,290,018.06

Finding the Fourth Proportional to 7,130,571.42, 10,690,537.77 and 4,290,018.06

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Solution

The fourth proportional to 7,130,571.42, 10,690,537.77 and 4,290,018.06 is: 6,431,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,571.42 : 10,690,537.77 = 4,290,018.06 : x
  2. Step 2: Convert to fraction form
    7,130,571.42/10,690,537.77 = 4,290,018.06/x
  3. Step 3: Cross multiply
    7,130,571.42x = 10,690,537.77 × 4,290,018.06
  4. Step 4: Simplify right side
    7,130,571.42x = 45,862,600,104,412.12
  5. Step 5: Solve for x
    x = 45,862,600,104,412.12/7,130,571.42
  6. Step 6: Final answer
    x = 6,431,826.76

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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.