Home / 13,268,807.33-18,316,603.31-8,920,415.25

Finding the Fourth Proportional to 13,268,807.33, 18,316,603.31 and 8,920,415.25

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Solution

The fourth proportional to 13,268,807.33, 18,316,603.31 and 8,920,415.25 is: 12,313,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,807.33 : 18,316,603.31 = 8,920,415.25 : x
  2. Step 2: Convert to fraction form
    13,268,807.33/18,316,603.31 = 8,920,415.25/x
  3. Step 3: Cross multiply
    13,268,807.33x = 18,316,603.31 × 8,920,415.25
  4. Step 4: Simplify right side
    13,268,807.33x = 163,391,707,450,122.41
  5. Step 5: Solve for x
    x = 163,391,707,450,122.41/13,268,807.33
  6. Step 6: Final answer
    x = 12,313,970.91

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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.