Home / 13,737,772.80-20,606,659.20-12,415,075.20

Finding the Fourth Proportional to 13,737,772.80, 20,606,659.20 and 12,415,075.20

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Solution

The fourth proportional to 13,737,772.80, 20,606,659.20 and 12,415,075.20 is: 18,622,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737,772.80 : 20,606,659.20 = 12,415,075.20 : x
  2. Step 2: Convert to fraction form
    13,737,772.80/20,606,659.20 = 12,415,075.20/x
  3. Step 3: Cross multiply
    13,737,772.80x = 20,606,659.20 × 12,415,075.20
  4. Step 4: Simplify right side
    13,737,772.80x = 255,833,223,588,771.81
  5. Step 5: Solve for x
    x = 255,833,223,588,771.81/13,737,772.80
  6. Step 6: Final answer
    x = 18,622,612.80

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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.