Home / 13,121,804.20-19,682,706.30-9,762,572.20

Finding the Fourth Proportional to 13,121,804.20, 19,682,706.30 and 9,762,572.20

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Solution

The fourth proportional to 13,121,804.20, 19,682,706.30 and 9,762,572.20 is: 14,643,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,804.20 : 19,682,706.30 = 9,762,572.20 : x
  2. Step 2: Convert to fraction form
    13,121,804.20/19,682,706.30 = 9,762,572.20/x
  3. Step 3: Cross multiply
    13,121,804.20x = 19,682,706.30 × 9,762,572.20
  4. Step 4: Simplify right side
    13,121,804.20x = 192,153,841,345,144.84
  5. Step 5: Solve for x
    x = 192,153,841,345,144.84/13,121,804.20
  6. Step 6: Final answer
    x = 14,643,858.30

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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.