Home / 13,379,483.60-18,464,194.89-7,499,226.47

Finding the Fourth Proportional to 13,379,483.60, 18,464,194.89 and 7,499,226.47

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Solution

The fourth proportional to 13,379,483.60, 18,464,194.89 and 7,499,226.47 is: 10,349,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,483.60 : 18,464,194.89 = 7,499,226.47 : x
  2. Step 2: Convert to fraction form
    13,379,483.60/18,464,194.89 = 7,499,226.47/x
  3. Step 3: Cross multiply
    13,379,483.60x = 18,464,194.89 × 7,499,226.47
  4. Step 4: Simplify right side
    13,379,483.60x = 138,467,179,066,326.73
  5. Step 5: Solve for x
    x = 138,467,179,066,326.73/13,379,483.60
  6. Step 6: Final answer
    x = 10,349,217.00

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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.