Finding the Fourth Proportional to 19,056,992.21, 26,298,815.85 and 10,355,164.79
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Solution
The fourth proportional to 19,056,992.21, 26,298,815.85 and 10,355,164.79 is: 14,290,217.94
Step by Step Solution
- Step 1: Write the proportion equation
19,056,992.21 : 26,298,815.85 = 10,355,164.79 : x - Step 2: Convert to fraction form
19,056,992.21/26,298,815.85 = 10,355,164.79/x - Step 3: Cross multiply
19,056,992.21x = 26,298,815.85 × 10,355,164.79 - Step 4: Simplify right side
19,056,992.21x = 272,328,571,908,613.91 - Step 5: Solve for x
x = 272,328,571,908,613.91/19,056,992.21 - Step 6: Final answer
x = 14,290,217.94
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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.