Finding the Fourth Proportional to 26,619,508.13, 39,925,266.03 and 8,421,338.75
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Solution
The fourth proportional to 26,619,508.13, 39,925,266.03 and 8,421,338.75 is: 12,630,743.89
Step by Step Solution
- Step 1: Write the proportion equation
26,619,508.13 : 39,925,266.03 = 8,421,338.75 : x - Step 2: Convert to fraction form
26,619,508.13/39,925,266.03 = 8,421,338.75/x - Step 3: Cross multiply
26,619,508.13x = 39,925,266.03 × 8,421,338.75 - Step 4: Simplify right side
26,619,508.13x = 336,224,189,722,871.31 - Step 5: Solve for x
x = 336,224,189,722,871.31/26,619,508.13 - Step 6: Final answer
x = 12,630,743.89
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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.