Home / 13,599,960.06-18,768,281.43-7,405,346.37

Finding the Fourth Proportional to 13,599,960.06, 18,768,281.43 and 7,405,346.37

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Solution

The fourth proportional to 13,599,960.06, 18,768,281.43 and 7,405,346.37 is: 10,219,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,960.06 : 18,768,281.43 = 7,405,346.37 : x
  2. Step 2: Convert to fraction form
    13,599,960.06/18,768,281.43 = 7,405,346.37/x
  3. Step 3: Cross multiply
    13,599,960.06x = 18,768,281.43 × 7,405,346.37
  4. Step 4: Simplify right side
    13,599,960.06x = 138,985,624,758,788.91
  5. Step 5: Solve for x
    x = 138,985,624,758,788.91/13,599,960.06
  6. Step 6: Final answer
    x = 10,219,561.24

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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.