Home / 28,883,282.40-39,853,704.24-18,567,640.80

Finding the Fourth Proportional to 28,883,282.40, 39,853,704.24 and 18,567,640.80

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Solution

The fourth proportional to 28,883,282.40, 39,853,704.24 and 18,567,640.80 is: 25,619,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883,282.40 : 39,853,704.24 = 18,567,640.80 : x
  2. Step 2: Convert to fraction form
    28,883,282.40/39,853,704.24 = 18,567,640.80/x
  3. Step 3: Cross multiply
    28,883,282.40x = 39,853,704.24 × 18,567,640.80
  4. Step 4: Simplify right side
    28,883,282.40x = 739,989,264,877,757
  5. Step 5: Solve for x
    x = 739,989,264,877,757/28,883,282.40
  6. Step 6: Final answer
    x = 25,619,985.11

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1.5x scale

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.