Home / 18,139,686.22-25,032,767.44-9,990,924.22

Finding the Fourth Proportional to 18,139,686.22, 25,032,767.44 and 9,990,924.22

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Solution

The fourth proportional to 18,139,686.22, 25,032,767.44 and 9,990,924.22 is: 13,787,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,686.22 : 25,032,767.44 = 9,990,924.22 : x
  2. Step 2: Convert to fraction form
    18,139,686.22/25,032,767.44 = 9,990,924.22/x
  3. Step 3: Cross multiply
    18,139,686.22x = 25,032,767.44 × 9,990,924.22
  4. Step 4: Simplify right side
    18,139,686.22x = 250,100,482,509,923.44
  5. Step 5: Solve for x
    x = 250,100,482,509,923.44/18,139,686.22
  6. Step 6: Final answer
    x = 13,787,475.67

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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.