Home / 12,949,559.10-19,431,337.05-5,762,202.30

Finding the Fourth Proportional to 12,949,559.10, 19,431,337.05 and 5,762,202.30

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Solution

The fourth proportional to 12,949,559.10, 19,431,337.05 and 5,762,202.30 is: 8,646,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,559.10 : 19,431,337.05 = 5,762,202.30 : x
  2. Step 2: Convert to fraction form
    12,949,559.10/19,431,337.05 = 5,762,202.30/x
  3. Step 3: Cross multiply
    12,949,559.10x = 19,431,337.05 × 5,762,202.30
  4. Step 4: Simplify right side
    12,949,559.10x = 111,967,295,041,585.22
  5. Step 5: Solve for x
    x = 111,967,295,041,585.22/12,949,559.10
  6. Step 6: Final answer
    x = 8,646,417.55

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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.