Home / 12,816,643.94-17,686,994.73-7,015,796

Finding the Fourth Proportional to 12,816,643.94, 17,686,994.73 and 7,015,796

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Solution

The fourth proportional to 12,816,643.94, 17,686,994.73 and 7,015,796 is: 9,681,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,643.94 : 17,686,994.73 = 7,015,796 : x
  2. Step 2: Convert to fraction form
    12,816,643.94/17,686,994.73 = 7,015,796/x
  3. Step 3: Cross multiply
    12,816,643.94x = 17,686,994.73 × 7,015,796
  4. Step 4: Simplify right side
    12,816,643.94x = 124,088,346,878,755.08
  5. Step 5: Solve for x
    x = 124,088,346,878,755.08/12,816,643.94
  6. Step 6: Final answer
    x = 9,681,812.76

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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.