Home / 27,770,487.81-38,329,647.66-18,478,442.40

Finding the Fourth Proportional to 27,770,487.81, 38,329,647.66 and 18,478,442.40

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Solution

The fourth proportional to 27,770,487.81, 38,329,647.66 and 18,478,442.40 is: 25,504,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770,487.81 : 38,329,647.66 = 18,478,442.40 : x
  2. Step 2: Convert to fraction form
    27,770,487.81/38,329,647.66 = 18,478,442.40/x
  3. Step 3: Cross multiply
    27,770,487.81x = 38,329,647.66 × 18,478,442.40
  4. Step 4: Simplify right side
    27,770,487.81x = 708,272,186,497,604.62
  5. Step 5: Solve for x
    x = 708,272,186,497,604.62/27,770,487.81
  6. Step 6: Final answer
    x = 25,504,492.08

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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.