Home / 7,118,331.64-9,823,249.02-3,855,071.32

Finding the Fourth Proportional to 7,118,331.64, 9,823,249.02 and 3,855,071.32

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Solution

The fourth proportional to 7,118,331.64, 9,823,249.02 and 3,855,071.32 is: 5,319,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,331.64 : 9,823,249.02 = 3,855,071.32 : x
  2. Step 2: Convert to fraction form
    7,118,331.64/9,823,249.02 = 3,855,071.32/x
  3. Step 3: Cross multiply
    7,118,331.64x = 9,823,249.02 × 3,855,071.32
  4. Step 4: Simplify right side
    7,118,331.64x = 37,869,325,566,220.10
  5. Step 5: Solve for x
    x = 37,869,325,566,220.10/7,118,331.64
  6. Step 6: Final answer
    x = 5,319,972.08

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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.