Home / 13,550,664.06-18,699,416.46-7,355,574.87

Finding the Fourth Proportional to 13,550,664.06, 18,699,416.46 and 7,355,574.87

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Solution

The fourth proportional to 13,550,664.06, 18,699,416.46 and 7,355,574.87 is: 10,150,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550,664.06 : 18,699,416.46 = 7,355,574.87 : x
  2. Step 2: Convert to fraction form
    13,550,664.06/18,699,416.46 = 7,355,574.87/x
  3. Step 3: Cross multiply
    13,550,664.06x = 18,699,416.46 × 7,355,574.87
  4. Step 4: Simplify right side
    13,550,664.06x = 137,544,957,796,840.38
  5. Step 5: Solve for x
    x = 137,544,957,796,840.38/13,550,664.06
  6. Step 6: Final answer
    x = 10,150,421.94

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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.