Home / 13,286,246.40-19,929,369.60-10,073,980.80

Finding the Fourth Proportional to 13,286,246.40, 19,929,369.60 and 10,073,980.80

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Solution

The fourth proportional to 13,286,246.40, 19,929,369.60 and 10,073,980.80 is: 15,110,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,246.40 : 19,929,369.60 = 10,073,980.80 : x
  2. Step 2: Convert to fraction form
    13,286,246.40/19,929,369.60 = 10,073,980.80/x
  3. Step 3: Cross multiply
    13,286,246.40x = 19,929,369.60 × 10,073,980.80
  4. Step 4: Simplify right side
    13,286,246.40x = 200,768,086,706,503.72
  5. Step 5: Solve for x
    x = 200,768,086,706,503.72/13,286,246.40
  6. Step 6: Final answer
    x = 15,110,971.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.