Home / 6,142,362.88-8,476,404.48-3,389,075.68

Finding the Fourth Proportional to 6,142,362.88, 8,476,404.48 and 3,389,075.68

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Solution

The fourth proportional to 6,142,362.88, 8,476,404.48 and 3,389,075.68 is: 4,676,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,362.88 : 8,476,404.48 = 3,389,075.68 : x
  2. Step 2: Convert to fraction form
    6,142,362.88/8,476,404.48 = 3,389,075.68/x
  3. Step 3: Cross multiply
    6,142,362.88x = 8,476,404.48 × 3,389,075.68
  4. Step 4: Simplify right side
    6,142,362.88x = 28,727,176,277,011.05
  5. Step 5: Solve for x
    x = 28,727,176,277,011.05/6,142,362.88
  6. Step 6: Final answer
    x = 4,676,893.38

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1.5x scale

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.