Home / 13,064,743.64-18,029,809.92-7,184,824.86

Finding the Fourth Proportional to 13,064,743.64, 18,029,809.92 and 7,184,824.86

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Solution

The fourth proportional to 13,064,743.64, 18,029,809.92 and 7,184,824.86 is: 9,915,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,743.64 : 18,029,809.92 = 7,184,824.86 : x
  2. Step 2: Convert to fraction form
    13,064,743.64/18,029,809.92 = 7,184,824.86/x
  3. Step 3: Cross multiply
    13,064,743.64x = 18,029,809.92 × 7,184,824.86
  4. Step 4: Simplify right side
    13,064,743.64x = 129,541,026,628,845.47
  5. Step 5: Solve for x
    x = 129,541,026,628,845.47/13,064,743.64
  6. Step 6: Final answer
    x = 9,915,313.32

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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.