Home / 18,303,403.42-25,258,704.72-10,154,641.42

Finding the Fourth Proportional to 18,303,403.42, 25,258,704.72 and 10,154,641.42

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Solution

The fourth proportional to 18,303,403.42, 25,258,704.72 and 10,154,641.42 is: 14,013,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303,403.42 : 25,258,704.72 = 10,154,641.42 : x
  2. Step 2: Convert to fraction form
    18,303,403.42/25,258,704.72 = 10,154,641.42/x
  3. Step 3: Cross multiply
    18,303,403.42x = 25,258,704.72 × 10,154,641.42
  4. Step 4: Simplify right side
    18,303,403.42x = 256,493,089,165,261.50
  5. Step 5: Solve for x
    x = 256,493,089,165,261.50/18,303,403.42
  6. Step 6: Final answer
    x = 14,013,409.60

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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.