Home / 15,442,024.34-21,309,928.64-8,566,506.41

Finding the Fourth Proportional to 15,442,024.34, 21,309,928.64 and 8,566,506.41

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Solution

The fourth proportional to 15,442,024.34, 21,309,928.64 and 8,566,506.41 is: 11,821,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,024.34 : 21,309,928.64 = 8,566,506.41 : x
  2. Step 2: Convert to fraction form
    15,442,024.34/21,309,928.64 = 8,566,506.41/x
  3. Step 3: Cross multiply
    15,442,024.34x = 21,309,928.64 × 8,566,506.41
  4. Step 4: Simplify right side
    15,442,024.34x = 182,551,640,173,944.81
  5. Step 5: Solve for x
    x = 182,551,640,173,944.81/15,442,024.34
  6. Step 6: Final answer
    x = 11,821,742.81

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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.