Home / 21,039,995.70-31,559,993.55-16,788,467.70

Finding the Fourth Proportional to 21,039,995.70, 31,559,993.55 and 16,788,467.70

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Solution

The fourth proportional to 21,039,995.70, 31,559,993.55 and 16,788,467.70 is: 25,182,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039,995.70 : 31,559,993.55 = 16,788,467.70 : x
  2. Step 2: Convert to fraction form
    21,039,995.70/31,559,993.55 = 16,788,467.70/x
  3. Step 3: Cross multiply
    21,039,995.70x = 31,559,993.55 × 16,788,467.70
  4. Step 4: Simplify right side
    21,039,995.70x = 529,843,932,326,383.31
  5. Step 5: Solve for x
    x = 529,843,932,326,383.31/21,039,995.70
  6. Step 6: Final answer
    x = 25,182,701.55

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Similar ratio
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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.