Home / 13,268,702.64-18,316,459.44-8,920,311.12

Finding the Fourth Proportional to 13,268,702.64, 18,316,459.44 and 8,920,311.12

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Solution

The fourth proportional to 13,268,702.64, 18,316,459.44 and 8,920,311.12 is: 12,313,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,702.64 : 18,316,459.44 = 8,920,311.12 : x
  2. Step 2: Convert to fraction form
    13,268,702.64/18,316,459.44 = 8,920,311.12/x
  3. Step 3: Cross multiply
    13,268,702.64x = 18,316,459.44 × 8,920,311.12
  4. Step 4: Simplify right side
    13,268,702.64x = 163,388,516,821,660.97
  5. Step 5: Solve for x
    x = 163,388,516,821,660.97/13,268,702.64
  6. Step 6: Final answer
    x = 12,313,827.60

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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.