Home / 13,220,140.80-19,788,220.80-9,441,004.80

Finding the Fourth Proportional to 13,220,140.80, 19,788,220.80 and 9,441,004.80

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Solution

The fourth proportional to 13,220,140.80, 19,788,220.80 and 9,441,004.80 is: 14,131,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220,140.80 : 19,788,220.80 = 9,441,004.80 : x
  2. Step 2: Convert to fraction form
    13,220,140.80/19,788,220.80 = 9,441,004.80/x
  3. Step 3: Cross multiply
    13,220,140.80x = 19,788,220.80 × 9,441,004.80
  4. Step 4: Simplify right side
    13,220,140.80x = 186,820,687,556,259.88
  5. Step 5: Solve for x
    x = 186,820,687,556,259.88/13,220,140.80
  6. Step 6: Final answer
    x = 14,131,520.26

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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.