Home / 13,621,569.66-20,431,764-3,386,215.26

Finding the Fourth Proportional to 13,621,569.66, 20,431,764 and 3,386,215.26

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Solution

The fourth proportional to 13,621,569.66, 20,431,764 and 3,386,215.26 is: 5,079,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,569.66 : 20,431,764 = 3,386,215.26 : x
  2. Step 2: Convert to fraction form
    13,621,569.66/20,431,764 = 3,386,215.26/x
  3. Step 3: Cross multiply
    13,621,569.66x = 20,431,764 × 3,386,215.26
  4. Step 4: Simplify right side
    13,621,569.66x = 69,186,351,045,518.63
  5. Step 5: Solve for x
    x = 69,186,351,045,518.63/13,621,569.66
  6. Step 6: Final answer
    x = 5,079,176.10

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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.