Home / 6,607,675.80-9,911,513.70-2,120,405.40

Finding the Fourth Proportional to 6,607,675.80, 9,911,513.70 and 2,120,405.40

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Solution

The fourth proportional to 6,607,675.80, 9,911,513.70 and 2,120,405.40 is: 3,180,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,675.80 : 9,911,513.70 = 2,120,405.40 : x
  2. Step 2: Convert to fraction form
    6,607,675.80/9,911,513.70 = 2,120,405.40/x
  3. Step 3: Cross multiply
    6,607,675.80x = 9,911,513.70 × 2,120,405.40
  4. Step 4: Simplify right side
    6,607,675.80x = 21,016,427,171,653.98
  5. Step 5: Solve for x
    x = 21,016,427,171,653.98/6,607,675.80
  6. Step 6: Final answer
    x = 3,180,608.10

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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.