Home / 8,481,948.12-11,709,153.90-5,221,557.59

Finding the Fourth Proportional to 8,481,948.12, 11,709,153.90 and 5,221,557.59

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Solution

The fourth proportional to 8,481,948.12, 11,709,153.90 and 5,221,557.59 is: 7,208,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,948.12 : 11,709,153.90 = 5,221,557.59 : x
  2. Step 2: Convert to fraction form
    8,481,948.12/11,709,153.90 = 5,221,557.59/x
  3. Step 3: Cross multiply
    8,481,948.12x = 11,709,153.90 × 5,221,557.59
  4. Step 4: Simplify right side
    8,481,948.12x = 61,140,021,360,477.34
  5. Step 5: Solve for x
    x = 61,140,021,360,477.34/8,481,948.12
  6. Step 6: Final answer
    x = 7,208,252.22

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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.