Home / 8,419,046.80-12,609,907.80-5,059,814.80

Finding the Fourth Proportional to 8,419,046.80, 12,609,907.80 and 5,059,814.80

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Solution

The fourth proportional to 8,419,046.80, 12,609,907.80 and 5,059,814.80 is: 7,578,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419,046.80 : 12,609,907.80 = 5,059,814.80 : x
  2. Step 2: Convert to fraction form
    8,419,046.80/12,609,907.80 = 5,059,814.80/x
  3. Step 3: Cross multiply
    8,419,046.80x = 12,609,907.80 × 5,059,814.80
  4. Step 4: Simplify right side
    8,419,046.80x = 63,803,798,113,075.45
  5. Step 5: Solve for x
    x = 63,803,798,113,075.45/8,419,046.80
  6. Step 6: Final answer
    x = 7,578,506.17

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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.