Home / 18,547,362.80-27,821,044.20-8,981,424.80

Finding the Fourth Proportional to 18,547,362.80, 27,821,044.20 and 8,981,424.80

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Solution

The fourth proportional to 18,547,362.80, 27,821,044.20 and 8,981,424.80 is: 13,472,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,362.80 : 27,821,044.20 = 8,981,424.80 : x
  2. Step 2: Convert to fraction form
    18,547,362.80/27,821,044.20 = 8,981,424.80/x
  3. Step 3: Cross multiply
    18,547,362.80x = 27,821,044.20 × 8,981,424.80
  4. Step 4: Simplify right side
    18,547,362.80x = 249,872,616,339,776.19
  5. Step 5: Solve for x
    x = 249,872,616,339,776.19/18,547,362.80
  6. Step 6: Final answer
    x = 13,472,137.20

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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.