Home / 27,146,789.57-40,724,020.75-8,698,421.15

Finding the Fourth Proportional to 27,146,789.57, 40,724,020.75 and 8,698,421.15

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Solution

The fourth proportional to 27,146,789.57, 40,724,020.75 and 8,698,421.15 is: 13,048,860.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146,789.57 : 40,724,020.75 = 8,698,421.15 : x
  2. Step 2: Convert to fraction form
    27,146,789.57/40,724,020.75 = 8,698,421.15/x
  3. Step 3: Cross multiply
    27,146,789.57x = 40,724,020.75 × 8,698,421.15
  4. Step 4: Simplify right side
    27,146,789.57x = 354,234,683,404,838.88
  5. Step 5: Solve for x
    x = 354,234,683,404,838.88/27,146,789.57
  6. Step 6: Final answer
    x = 13,048,860.99

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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.