Home / 18,686,376.60-25,782,319.58-10,947,258.60

Finding the Fourth Proportional to 18,686,376.60, 25,782,319.58 and 10,947,258.60

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Solution

The fourth proportional to 18,686,376.60, 25,782,319.58 and 10,947,258.60 is: 15,104,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,376.60 : 25,782,319.58 = 10,947,258.60 : x
  2. Step 2: Convert to fraction form
    18,686,376.60/25,782,319.58 = 10,947,258.60/x
  3. Step 3: Cross multiply
    18,686,376.60x = 25,782,319.58 × 10,947,258.60
  4. Step 4: Simplify right side
    18,686,376.60x = 282,245,719,750,103.38
  5. Step 5: Solve for x
    x = 282,245,719,750,103.38/18,686,376.60
  6. Step 6: Final answer
    x = 15,104,357.89

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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.