Home / 38,290,043.81-52,840,597.70-20,886,466.43

Finding the Fourth Proportional to 38,290,043.81, 52,840,597.70 and 20,886,466.43

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Solution

The fourth proportional to 38,290,043.81, 52,840,597.70 and 20,886,466.43 is: 28,823,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,043.81 : 52,840,597.70 = 20,886,466.43 : x
  2. Step 2: Convert to fraction form
    38,290,043.81/52,840,597.70 = 20,886,466.43/x
  3. Step 3: Cross multiply
    38,290,043.81x = 52,840,597.70 × 20,886,466.43
  4. Step 4: Simplify right side
    38,290,043.81x = 1,103,653,370,029,854.38
  5. Step 5: Solve for x
    x = 1,103,653,370,029,854.38/38,290,043.81
  6. Step 6: Final answer
    x = 28,823,507.63

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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.