Home / 38,308,299.95-52,866,570.36-20,905,766.09

Finding the Fourth Proportional to 38,308,299.95, 52,866,570.36 and 20,905,766.09

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Solution

The fourth proportional to 38,308,299.95, 52,866,570.36 and 20,905,766.09 is: 28,850,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,299.95 : 52,866,570.36 = 20,905,766.09 : x
  2. Step 2: Convert to fraction form
    38,308,299.95/52,866,570.36 = 20,905,766.09/x
  3. Step 3: Cross multiply
    38,308,299.95x = 52,866,570.36 × 20,905,766.09
  4. Step 4: Simplify right side
    38,308,299.95x = 1,105,216,154,137,250.25
  5. Step 5: Solve for x
    x = 1,105,216,154,137,250.25/38,308,299.95
  6. Step 6: Final answer
    x = 28,850,566.48

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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.