Home / 13,184,247.60-18,195,406.32-7,382,923.92

Finding the Fourth Proportional to 13,184,247.60, 18,195,406.32 and 7,382,923.92

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Solution

The fourth proportional to 13,184,247.60, 18,195,406.32 and 7,382,923.92 is: 10,189,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,247.60 : 18,195,406.32 = 7,382,923.92 : x
  2. Step 2: Convert to fraction form
    13,184,247.60/18,195,406.32 = 7,382,923.92/x
  3. Step 3: Cross multiply
    13,184,247.60x = 18,195,406.32 × 7,382,923.92
  4. Step 4: Simplify right side
    13,184,247.60x = 134,335,300,554,047.17
  5. Step 5: Solve for x
    x = 134,335,300,554,047.17/13,184,247.60
  6. Step 6: Final answer
    x = 10,189,075.98

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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.