Home / 13,245,967.20-19,852,329.58-5,664,017.28

Finding the Fourth Proportional to 13,245,967.20, 19,852,329.58 and 5,664,017.28

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Solution

The fourth proportional to 13,245,967.20, 19,852,329.58 and 5,664,017.28 is: 8,488,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245,967.20 : 19,852,329.58 = 5,664,017.28 : x
  2. Step 2: Convert to fraction form
    13,245,967.20/19,852,329.58 = 5,664,017.28/x
  3. Step 3: Cross multiply
    13,245,967.20x = 19,852,329.58 × 5,664,017.28
  4. Step 4: Simplify right side
    13,245,967.20x = 112,443,937,789,375.14
  5. Step 5: Solve for x
    x = 112,443,937,789,375.14/13,245,967.20
  6. Step 6: Final answer
    x = 8,488,918.63

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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.