Home / 8,878,021.69-13,317,420.12-2,813,200.36

Finding the Fourth Proportional to 8,878,021.69, 13,317,420.12 and 2,813,200.36

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Solution

The fourth proportional to 8,878,021.69, 13,317,420.12 and 2,813,200.36 is: 4,219,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,021.69 : 13,317,420.12 = 2,813,200.36 : x
  2. Step 2: Convert to fraction form
    8,878,021.69/13,317,420.12 = 2,813,200.36/x
  3. Step 3: Cross multiply
    8,878,021.69x = 13,317,420.12 × 2,813,200.36
  4. Step 4: Simplify right side
    8,878,021.69x = 37,464,571,075,855.24
  5. Step 5: Solve for x
    x = 37,464,571,075,855.24/8,878,021.69
  6. Step 6: Final answer
    x = 4,219,923.36

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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.