Home / 7,566,979.11-10,442,653.29-4,129,441.98

Finding the Fourth Proportional to 7,566,979.11, 10,442,653.29 and 4,129,441.98

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Solution

The fourth proportional to 7,566,979.11, 10,442,653.29 and 4,129,441.98 is: 5,698,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566,979.11 : 10,442,653.29 = 4,129,441.98 : x
  2. Step 2: Convert to fraction form
    7,566,979.11/10,442,653.29 = 4,129,441.98/x
  3. Step 3: Cross multiply
    7,566,979.11x = 10,442,653.29 × 4,129,441.98
  4. Step 4: Simplify right side
    7,566,979.11x = 43,122,330,878,311.11
  5. Step 5: Solve for x
    x = 43,122,330,878,311.11/7,566,979.11
  6. Step 6: Final answer
    x = 5,698,751.15

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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.