Home / 8,481,946.25-11,709,151.31-5,221,555.71

Finding the Fourth Proportional to 8,481,946.25, 11,709,151.31 and 5,221,555.71

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Solution

The fourth proportional to 8,481,946.25, 11,709,151.31 and 5,221,555.71 is: 7,208,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,946.25 : 11,709,151.31 = 5,221,555.71 : x
  2. Step 2: Convert to fraction form
    8,481,946.25/11,709,151.31 = 5,221,555.71/x
  3. Step 3: Cross multiply
    8,481,946.25x = 11,709,151.31 × 5,221,555.71
  4. Step 4: Simplify right side
    8,481,946.25x = 61,139,985,895,038.37
  5. Step 5: Solve for x
    x = 61,139,985,895,038.37/8,481,946.25
  6. Step 6: Final answer
    x = 7,208,249.63

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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.