Home / 18,145,929.40-27,218,894.10-6,178,665.40

Finding the Fourth Proportional to 18,145,929.40, 27,218,894.10 and 6,178,665.40

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Solution

The fourth proportional to 18,145,929.40, 27,218,894.10 and 6,178,665.40 is: 9,267,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,929.40 : 27,218,894.10 = 6,178,665.40 : x
  2. Step 2: Convert to fraction form
    18,145,929.40/27,218,894.10 = 6,178,665.40/x
  3. Step 3: Cross multiply
    18,145,929.40x = 27,218,894.10 × 6,178,665.40
  4. Step 4: Simplify right side
    18,145,929.40x = 168,176,439,201,934.16
  5. Step 5: Solve for x
    x = 168,176,439,201,934.16/18,145,929.40
  6. Step 6: Final answer
    x = 9,267,998.10

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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.