Home / 8,972,205.80-12,379,987.62-5,104,501.16

Finding the Fourth Proportional to 8,972,205.80, 12,379,987.62 and 5,104,501.16

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Solution

The fourth proportional to 8,972,205.80, 12,379,987.62 and 5,104,501.16 is: 7,043,269.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,205.80 : 12,379,987.62 = 5,104,501.16 : x
  2. Step 2: Convert to fraction form
    8,972,205.80/12,379,987.62 = 5,104,501.16/x
  3. Step 3: Cross multiply
    8,972,205.80x = 12,379,987.62 × 5,104,501.16
  4. Step 4: Simplify right side
    8,972,205.80x = 63,193,661,167,075.64
  5. Step 5: Solve for x
    x = 63,193,661,167,075.64/8,972,205.80
  6. Step 6: Final answer
    x = 7,043,269.24

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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.