Home / 13,488,569.90-20,224,751.54-6,192,899.78

Finding the Fourth Proportional to 13,488,569.90, 20,224,751.54 and 6,192,899.78

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Solution

The fourth proportional to 13,488,569.90, 20,224,751.54 and 6,192,899.78 is: 9,285,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,569.90 : 20,224,751.54 = 6,192,899.78 : x
  2. Step 2: Convert to fraction form
    13,488,569.90/20,224,751.54 = 6,192,899.78/x
  3. Step 3: Cross multiply
    13,488,569.90x = 20,224,751.54 × 6,192,899.78
  4. Step 4: Simplify right side
    13,488,569.90x = 125,249,859,362,620.66
  5. Step 5: Solve for x
    x = 125,249,859,362,620.66/13,488,569.90
  6. Step 6: Final answer
    x = 9,285,629.26

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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.