Home / 13,268,703.34-18,316,460.37-8,920,311.63

Finding the Fourth Proportional to 13,268,703.34, 18,316,460.37 and 8,920,311.63

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Solution

The fourth proportional to 13,268,703.34, 18,316,460.37 and 8,920,311.63 is: 12,313,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268,703.34 : 18,316,460.37 = 8,920,311.63 : x
  2. Step 2: Convert to fraction form
    13,268,703.34/18,316,460.37 = 8,920,311.63/x
  3. Step 3: Cross multiply
    13,268,703.34x = 18,316,460.37 × 8,920,311.63
  4. Step 4: Simplify right side
    13,268,703.34x = 163,388,534,458,945.12
  5. Step 5: Solve for x
    x = 163,388,534,458,945.12/13,268,703.34
  6. Step 6: Final answer
    x = 12,313,828.28

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Double scale
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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.