Home / 12,821,161.02-17,693,199.08-7,019,941.22

Finding the Fourth Proportional to 12,821,161.02, 17,693,199.08 and 7,019,941.22

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Solution

The fourth proportional to 12,821,161.02, 17,693,199.08 and 7,019,941.22 is: 9,687,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,161.02 : 17,693,199.08 = 7,019,941.22 : x
  2. Step 2: Convert to fraction form
    12,821,161.02/17,693,199.08 = 7,019,941.22/x
  3. Step 3: Cross multiply
    12,821,161.02x = 17,693,199.08 × 7,019,941.22
  4. Step 4: Simplify right side
    12,821,161.02x = 124,205,217,535,358.06
  5. Step 5: Solve for x
    x = 124,205,217,535,358.06/12,821,161.02
  6. Step 6: Final answer
    x = 9,687,517.17

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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.