Home / 14,062,991-21,199,891.43-13,125,547.72

Finding the Fourth Proportional to 14,062,991, 21,199,891.43 and 13,125,547.72

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Solution

The fourth proportional to 14,062,991, 21,199,891.43 and 13,125,547.72 is: 19,786,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062,991 : 21,199,891.43 = 13,125,547.72 : x
  2. Step 2: Convert to fraction form
    14,062,991/21,199,891.43 = 13,125,547.72/x
  3. Step 3: Cross multiply
    14,062,991x = 21,199,891.43 × 13,125,547.72
  4. Step 4: Simplify right side
    14,062,991x = 278,260,186,623,284.06
  5. Step 5: Solve for x
    x = 278,260,186,623,284.06/14,062,991
  6. Step 6: Final answer
    x = 19,786,700.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.