Home / 12,927,534,771.51-17,839,989,926.72-6,987,087,273.51

Finding the Fourth Proportional to 12,927,534,771.51, 17,839,989,926.72 and 6,987,087,273.51

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Solution

The fourth proportional to 12,927,534,771.51, 17,839,989,926.72 and 6,987,087,273.51 is: 9,642,176,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,534,771.51 : 17,839,989,926.72 = 6,987,087,273.51 : x
  2. Step 2: Convert to fraction form
    12,927,534,771.51/17,839,989,926.72 = 6,987,087,273.51/x
  3. Step 3: Cross multiply
    12,927,534,771.51x = 17,839,989,926.72 × 6,987,087,273.51
  4. Step 4: Simplify right side
    12,927,534,771.51x = 124,649,566,576,517,922,816
  5. Step 5: Solve for x
    x = 124,649,566,576,517,922,816/12,927,534,771.51
  6. Step 6: Final answer
    x = 9,642,176,082.27

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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.