Home / 12,949,551.10-19,431,325.05-5,762,194.30

Finding the Fourth Proportional to 12,949,551.10, 19,431,325.05 and 5,762,194.30

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Solution

The fourth proportional to 12,949,551.10, 19,431,325.05 and 5,762,194.30 is: 8,646,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,551.10 : 19,431,325.05 = 5,762,194.30 : x
  2. Step 2: Convert to fraction form
    12,949,551.10/19,431,325.05 = 5,762,194.30/x
  3. Step 3: Cross multiply
    12,949,551.10x = 19,431,325.05 × 5,762,194.30
  4. Step 4: Simplify right side
    12,949,551.10x = 111,967,070,444,557.22
  5. Step 5: Solve for x
    x = 111,967,070,444,557.22/12,949,551.10
  6. Step 6: Final answer
    x = 8,646,405.55

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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.