Home / 13,268,746.97-18,316,520.51-8,920,355.25

Finding the Fourth Proportional to 13,268,746.97, 18,316,520.51 and 8,920,355.25

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Solution

The fourth proportional to 13,268,746.97, 18,316,520.51 and 8,920,355.25 is: 12,313,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,746.97 : 18,316,520.51 = 8,920,355.25 : x
  2. Step 2: Convert to fraction form
    13,268,746.97/18,316,520.51 = 8,920,355.25/x
  3. Step 3: Cross multiply
    13,268,746.97x = 18,316,520.51 × 8,920,355.25
  4. Step 4: Simplify right side
    13,268,746.97x = 163,389,869,848,509.41
  5. Step 5: Solve for x
    x = 163,389,869,848,509.41/13,268,746.97
  6. Step 6: Final answer
    x = 12,313,888.44

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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.