Home / 19,231,666.20-28,823,004.90-7,859,266.20

Finding the Fourth Proportional to 19,231,666.20, 28,823,004.90 and 7,859,266.20

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Solution

The fourth proportional to 19,231,666.20, 28,823,004.90 and 7,859,266.20 is: 11,778,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231,666.20 : 28,823,004.90 = 7,859,266.20 : x
  2. Step 2: Convert to fraction form
    19,231,666.20/28,823,004.90 = 7,859,266.20/x
  3. Step 3: Cross multiply
    19,231,666.20x = 28,823,004.90 × 7,859,266.20
  4. Step 4: Simplify right side
    19,231,666.20x = 226,527,668,193,004.38
  5. Step 5: Solve for x
    x = 226,527,668,193,004.38/19,231,666.20
  6. Step 6: Final answer
    x = 11,778,889.35

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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.