Home / 12,075,463.32-16,664,277.60-6,918,721.44

Finding the Fourth Proportional to 12,075,463.32, 16,664,277.60 and 6,918,721.44

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Solution

The fourth proportional to 12,075,463.32, 16,664,277.60 and 6,918,721.44 is: 9,547,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,463.32 : 16,664,277.60 = 6,918,721.44 : x
  2. Step 2: Convert to fraction form
    12,075,463.32/16,664,277.60 = 6,918,721.44/x
  3. Step 3: Cross multiply
    12,075,463.32x = 16,664,277.60 × 6,918,721.44
  4. Step 4: Simplify right side
    12,075,463.32x = 115,295,494,713,231.75
  5. Step 5: Solve for x
    x = 115,295,494,713,231.75/12,075,463.32
  6. Step 6: Final answer
    x = 9,547,914.78

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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.