Home / 13,268,716-18,316,477.92-8,920,324.36

Finding the Fourth Proportional to 13,268,716, 18,316,477.92 and 8,920,324.36

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Solution

The fourth proportional to 13,268,716, 18,316,477.92 and 8,920,324.36 is: 12,313,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,716 : 18,316,477.92 = 8,920,324.36 : x
  2. Step 2: Convert to fraction form
    13,268,716/18,316,477.92 = 8,920,324.36/x
  3. Step 3: Cross multiply
    13,268,716x = 18,316,477.92 × 8,920,324.36
  4. Step 4: Simplify right side
    13,268,716x = 163,388,924,179,178.12
  5. Step 5: Solve for x
    x = 163,388,924,179,178.12/13,268,716
  6. Step 6: Final answer
    x = 12,313,845.90

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1.5x scale

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.