Home / 6,406,308.78-8,840,707.02-3,505,700.32

Finding the Fourth Proportional to 6,406,308.78, 8,840,707.02 and 3,505,700.32

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Solution

The fourth proportional to 6,406,308.78, 8,840,707.02 and 3,505,700.32 is: 4,837,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406,308.78 : 8,840,707.02 = 3,505,700.32 : x
  2. Step 2: Convert to fraction form
    6,406,308.78/8,840,707.02 = 3,505,700.32/x
  3. Step 3: Cross multiply
    6,406,308.78x = 8,840,707.02 × 3,505,700.32
  4. Step 4: Simplify right side
    6,406,308.78x = 30,992,869,429,040.24
  5. Step 5: Solve for x
    x = 30,992,869,429,040.24/6,406,308.78
  6. Step 6: Final answer
    x = 4,837,866.94

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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.