Home / 15,769,619.25-21,771,925.97-12,091,466.15

Finding the Fourth Proportional to 15,769,619.25, 21,771,925.97 and 12,091,466.15

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Solution

The fourth proportional to 15,769,619.25, 21,771,925.97 and 12,091,466.15 is: 16,693,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,619.25 : 21,771,925.97 = 12,091,466.15 : x
  2. Step 2: Convert to fraction form
    15,769,619.25/21,771,925.97 = 12,091,466.15/x
  3. Step 3: Cross multiply
    15,769,619.25x = 21,771,925.97 × 12,091,466.15
  4. Step 4: Simplify right side
    15,769,619.25x = 263,254,505,886,560.91
  5. Step 5: Solve for x
    x = 263,254,505,886,560.91/15,769,619.25
  6. Step 6: Final answer
    x = 16,693,776.92

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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.