Home / 5,175,991.13-7,143,399.18-3,111,675.01

Finding the Fourth Proportional to 5,175,991.13, 7,143,399.18 and 3,111,675.01

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Solution

The fourth proportional to 5,175,991.13, 7,143,399.18 and 3,111,675.01 is: 4,294,430.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,991.13 : 7,143,399.18 = 3,111,675.01 : x
  2. Step 2: Convert to fraction form
    5,175,991.13/7,143,399.18 = 3,111,675.01/x
  3. Step 3: Cross multiply
    5,175,991.13x = 7,143,399.18 × 3,111,675.01
  4. Step 4: Simplify right side
    5,175,991.13x = 22,227,936,697,001.99
  5. Step 5: Solve for x
    x = 22,227,936,697,001.99/5,175,991.13
  6. Step 6: Final answer
    x = 4,294,430.99

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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.