Home / 28,828,657-39,783,549.30-15,775,915.24

Finding the Fourth Proportional to 28,828,657, 39,783,549.30 and 15,775,915.24

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Solution

The fourth proportional to 28,828,657, 39,783,549.30 and 15,775,915.24 is: 21,770,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828,657 : 39,783,549.30 = 15,775,915.24 : x
  2. Step 2: Convert to fraction form
    28,828,657/39,783,549.30 = 15,775,915.24/x
  3. Step 3: Cross multiply
    28,828,657x = 39,783,549.30 × 15,775,915.24
  4. Step 4: Simplify right side
    28,828,657x = 627,621,901,703,161.25
  5. Step 5: Solve for x
    x = 627,621,901,703,161.25/28,828,657
  6. Step 6: Final answer
    x = 21,770,764.48

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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.