Home / 34,778,869.40-52,147,568.10-21,325,352.60

Finding the Fourth Proportional to 34,778,869.40, 52,147,568.10 and 21,325,352.60

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Solution

The fourth proportional to 34,778,869.40, 52,147,568.10 and 21,325,352.60 is: 31,975,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778,869.40 : 52,147,568.10 = 21,325,352.60 : x
  2. Step 2: Convert to fraction form
    34,778,869.40/52,147,568.10 = 21,325,352.60/x
  3. Step 3: Cross multiply
    34,778,869.40x = 52,147,568.10 × 21,325,352.60
  4. Step 4: Simplify right side
    34,778,869.40x = 1,112,065,276,965,012.12
  5. Step 5: Solve for x
    x = 1,112,065,276,965,012.12/34,778,869.40
  6. Step 6: Final answer
    x = 31,975,314.21

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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.