Home / 13,268,726.31-18,316,492.07-8,920,334.64

Finding the Fourth Proportional to 13,268,726.31, 18,316,492.07 and 8,920,334.64

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Solution

The fourth proportional to 13,268,726.31, 18,316,492.07 and 8,920,334.64 is: 12,313,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,726.31 : 18,316,492.07 = 8,920,334.64 : x
  2. Step 2: Convert to fraction form
    13,268,726.31/18,316,492.07 = 8,920,334.64/x
  3. Step 3: Cross multiply
    13,268,726.31x = 18,316,492.07 × 8,920,334.64
  4. Step 4: Simplify right side
    13,268,726.31x = 163,389,238,650,704.66
  5. Step 5: Solve for x
    x = 163,389,238,650,704.66/13,268,726.31
  6. Step 6: Final answer
    x = 12,313,860.04

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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.