Finding the Fourth Proportional to 19,811,290.42, 29,691,347.73 and 8,873,483.77
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Solution
The fourth proportional to 19,811,290.42, 29,691,347.73 and 8,873,483.77 is: 13,298,764.83
Step by Step Solution
- Step 1: Write the proportion equation
19,811,290.42 : 29,691,347.73 = 8,873,483.77 : x - Step 2: Convert to fraction form
19,811,290.42/29,691,347.73 = 8,873,483.77/x - Step 3: Cross multiply
19,811,290.42x = 29,691,347.73 × 8,873,483.77 - Step 4: Simplify right side
19,811,290.42x = 263,465,692,191,581.34 - Step 5: Solve for x
x = 263,465,692,191,581.34/19,811,290.42 - Step 6: Final answer
x = 13,298,764.83
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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.