Home / 25,920,140.80-38,880,211.20-25,360,268.80

Finding the Fourth Proportional to 25,920,140.80, 38,880,211.20 and 25,360,268.80

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Solution

The fourth proportional to 25,920,140.80, 38,880,211.20 and 25,360,268.80 is: 38,040,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,140.80 : 38,880,211.20 = 25,360,268.80 : x
  2. Step 2: Convert to fraction form
    25,920,140.80/38,880,211.20 = 25,360,268.80/x
  3. Step 3: Cross multiply
    25,920,140.80x = 38,880,211.20 × 25,360,268.80
  4. Step 4: Simplify right side
    25,920,140.80x = 986,012,607,032,770.62
  5. Step 5: Solve for x
    x = 986,012,607,032,770.62/25,920,140.80
  6. Step 6: Final answer
    x = 38,040,403.20

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1.5x scale

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.