Home / 7,103,692.56-10,653,909.86-1,986,482.07

Finding the Fourth Proportional to 7,103,692.56, 10,653,909.86 and 1,986,482.07

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Solution

The fourth proportional to 7,103,692.56, 10,653,909.86 and 1,986,482.07 is: 2,979,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103,692.56 : 10,653,909.86 = 1,986,482.07 : x
  2. Step 2: Convert to fraction form
    7,103,692.56/10,653,909.86 = 1,986,482.07/x
  3. Step 3: Cross multiply
    7,103,692.56x = 10,653,909.86 × 1,986,482.07
  4. Step 4: Simplify right side
    7,103,692.56x = 21,163,800,917,252.42
  5. Step 5: Solve for x
    x = 21,163,800,917,252.42/7,103,692.56
  6. Step 6: Final answer
    x = 2,979,267.57

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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.