Home / 15,296,267.78-21,108,203.00-8,326,800.26

Finding the Fourth Proportional to 15,296,267.78, 21,108,203.00 and 8,326,800.26

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Solution

The fourth proportional to 15,296,267.78, 21,108,203.00 and 8,326,800.26 is: 11,490,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296,267.78 : 21,108,203.00 = 8,326,800.26 : x
  2. Step 2: Convert to fraction form
    15,296,267.78/21,108,203.00 = 8,326,800.26/x
  3. Step 3: Cross multiply
    15,296,267.78x = 21,108,203.00 × 8,326,800.26
  4. Step 4: Simplify right side
    15,296,267.78x = 175,763,790,186,898.78
  5. Step 5: Solve for x
    x = 175,763,790,186,898.78/15,296,267.78
  6. Step 6: Final answer
    x = 11,490,632.40

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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.