Home / 13,808,075.96-20,757,520.02-12,809,256.05

Finding the Fourth Proportional to 13,808,075.96, 20,757,520.02 and 12,809,256.05

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Solution

The fourth proportional to 13,808,075.96, 20,757,520.02 and 12,809,256.05 is: 19,256,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,075.96 : 20,757,520.02 = 12,809,256.05 : x
  2. Step 2: Convert to fraction form
    13,808,075.96/20,757,520.02 = 12,809,256.05/x
  3. Step 3: Cross multiply
    13,808,075.96x = 20,757,520.02 × 12,809,256.05
  4. Step 4: Simplify right side
    13,808,075.96x = 265,888,388,899,181.12
  5. Step 5: Solve for x
    x = 265,888,388,899,181.12/13,808,075.96
  6. Step 6: Final answer
    x = 19,256,005.66

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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.