Home / 15,268,291-21,070,285.32-8,742,020.56

Finding the Fourth Proportional to 15,268,291, 21,070,285.32 and 8,742,020.56

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Solution

The fourth proportional to 15,268,291, 21,070,285.32 and 8,742,020.56 is: 12,064,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,291 : 21,070,285.32 = 8,742,020.56 : x
  2. Step 2: Convert to fraction form
    15,268,291/21,070,285.32 = 8,742,020.56/x
  3. Step 3: Cross multiply
    15,268,291x = 21,070,285.32 × 8,742,020.56
  4. Step 4: Simplify right side
    15,268,291x = 184,196,867,472,506.19
  5. Step 5: Solve for x
    x = 184,196,867,472,506.19/15,268,291
  6. Step 6: Final answer
    x = 12,064,013.42

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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.