Home / 7,020,137.80-10,530,206.70-3,653,907.40

Finding the Fourth Proportional to 7,020,137.80, 10,530,206.70 and 3,653,907.40

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Solution

The fourth proportional to 7,020,137.80, 10,530,206.70 and 3,653,907.40 is: 5,480,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,137.80 : 10,530,206.70 = 3,653,907.40 : x
  2. Step 2: Convert to fraction form
    7,020,137.80/10,530,206.70 = 3,653,907.40/x
  3. Step 3: Cross multiply
    7,020,137.80x = 10,530,206.70 × 3,653,907.40
  4. Step 4: Simplify right side
    7,020,137.80x = 38,476,400,184,659.58
  5. Step 5: Solve for x
    x = 38,476,400,184,659.58/7,020,137.80
  6. Step 6: Final answer
    x = 5,480,861.10

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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.