Home / 22,137,138.12-30,547,935.24-12,843,988.28

Finding the Fourth Proportional to 22,137,138.12, 30,547,935.24 and 12,843,988.28

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Solution

The fourth proportional to 22,137,138.12, 30,547,935.24 and 12,843,988.28 is: 17,723,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137,138.12 : 30,547,935.24 = 12,843,988.28 : x
  2. Step 2: Convert to fraction form
    22,137,138.12/30,547,935.24 = 12,843,988.28/x
  3. Step 3: Cross multiply
    22,137,138.12x = 30,547,935.24 × 12,843,988.28
  4. Step 4: Simplify right side
    22,137,138.12x = 392,357,322,200,758.94
  5. Step 5: Solve for x
    x = 392,357,322,200,758.94/22,137,138.12
  6. Step 6: Final answer
    x = 17,723,940.65

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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.