Home / 13,437,107.28-18,537,360.52-8,539,706.24

Finding the Fourth Proportional to 13,437,107.28, 18,537,360.52 and 8,539,706.24

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Solution

The fourth proportional to 13,437,107.28, 18,537,360.52 and 8,539,706.24 is: 11,781,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437,107.28 : 18,537,360.52 = 8,539,706.24 : x
  2. Step 2: Convert to fraction form
    13,437,107.28/18,537,360.52 = 8,539,706.24/x
  3. Step 3: Cross multiply
    13,437,107.28x = 18,537,360.52 × 8,539,706.24
  4. Step 4: Simplify right side
    13,437,107.28x = 158,303,613,277,264.62
  5. Step 5: Solve for x
    x = 158,303,613,277,264.62/13,437,107.28
  6. Step 6: Final answer
    x = 11,781,078.32

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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.