Home / 12,104,107.20-18,166,075.20-12,009,628.80

Finding the Fourth Proportional to 12,104,107.20, 18,166,075.20 and 12,009,628.80

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Solution

The fourth proportional to 12,104,107.20, 18,166,075.20 and 12,009,628.80 is: 18,024,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,107.20 : 18,166,075.20 = 12,009,628.80 : x
  2. Step 2: Convert to fraction form
    12,104,107.20/18,166,075.20 = 12,009,628.80/x
  3. Step 3: Cross multiply
    12,104,107.20x = 18,166,075.20 × 12,009,628.80
  4. Step 4: Simplify right side
    12,104,107.20x = 218,167,819,904,885.75
  5. Step 5: Solve for x
    x = 218,167,819,904,885.75/12,104,107.20
  6. Step 6: Final answer
    x = 18,024,280.21

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1.5x scale

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.