Home / 17,686,365.40-26,557,541.70-13,431,338.20

Finding the Fourth Proportional to 17,686,365.40, 26,557,541.70 and 13,431,338.20

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Solution

The fourth proportional to 17,686,365.40, 26,557,541.70 and 13,431,338.20 is: 20,168,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686,365.40 : 26,557,541.70 = 13,431,338.20 : x
  2. Step 2: Convert to fraction form
    17,686,365.40/26,557,541.70 = 13,431,338.20/x
  3. Step 3: Cross multiply
    17,686,365.40x = 26,557,541.70 × 13,431,338.20
  4. Step 4: Simplify right side
    17,686,365.40x = 356,703,324,333,302.94
  5. Step 5: Solve for x
    x = 356,703,324,333,302.94/17,686,365.40
  6. Step 6: Final answer
    x = 20,168,266.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.