Home / 12,816,644.22-17,686,995-7,015,796.16

Finding the Fourth Proportional to 12,816,644.22, 17,686,995 and 7,015,796.16

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Solution

The fourth proportional to 12,816,644.22, 17,686,995 and 7,015,796.16 is: 9,681,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,644.22 : 17,686,995 = 7,015,796.16 : x
  2. Step 2: Convert to fraction form
    12,816,644.22/17,686,995 = 7,015,796.16/x
  3. Step 3: Cross multiply
    12,816,644.22x = 17,686,995 × 7,015,796.16
  4. Step 4: Simplify right side
    12,816,644.22x = 124,088,351,602,939.20
  5. Step 5: Solve for x
    x = 124,088,351,602,939.20/12,816,644.22
  6. Step 6: Final answer
    x = 9,681,812.92

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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.