Home / 12,960,075.20-19,440,112.80-9,600,843.20

Finding the Fourth Proportional to 12,960,075.20, 19,440,112.80 and 9,600,843.20

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Solution

The fourth proportional to 12,960,075.20, 19,440,112.80 and 9,600,843.20 is: 14,401,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,075.20 : 19,440,112.80 = 9,600,843.20 : x
  2. Step 2: Convert to fraction form
    12,960,075.20/19,440,112.80 = 9,600,843.20/x
  3. Step 3: Cross multiply
    12,960,075.20x = 19,440,112.80 × 9,600,843.20
  4. Step 4: Simplify right side
    12,960,075.20x = 186,641,474,783,112.94
  5. Step 5: Solve for x
    x = 186,641,474,783,112.94/12,960,075.20
  6. Step 6: Final answer
    x = 14,401,264.80

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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.