Home / 13,331,368.44-18,398,784.72-7,530,523.80

Finding the Fourth Proportional to 13,331,368.44, 18,398,784.72 and 7,530,523.80

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Solution

The fourth proportional to 13,331,368.44, 18,398,784.72 and 7,530,523.80 is: 10,392,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,368.44 : 18,398,784.72 = 7,530,523.80 : x
  2. Step 2: Convert to fraction form
    13,331,368.44/18,398,784.72 = 7,530,523.80/x
  3. Step 3: Cross multiply
    13,331,368.44x = 18,398,784.72 × 7,530,523.80
  4. Step 4: Simplify right side
    13,331,368.44x = 138,552,486,225,036.33
  5. Step 5: Solve for x
    x = 138,552,486,225,036.33/13,331,368.44
  6. Step 6: Final answer
    x = 10,392,968.05

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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.