Finding the Fourth Proportional to 19,030,686.21, 26,261,679.06 and 10,328,683.68
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Solution
The fourth proportional to 19,030,686.21, 26,261,679.06 and 10,328,683.68 is: 14,253,220.98
Step by Step Solution
- Step 1: Write the proportion equation
19,030,686.21 : 26,261,679.06 = 10,328,683.68 : x - Step 2: Convert to fraction form
19,030,686.21/26,261,679.06 = 10,328,683.68/x - Step 3: Cross multiply
19,030,686.21x = 26,261,679.06 × 10,328,683.68 - Step 4: Simplify right side
19,030,686.21x = 271,248,575,916,419.72 - Step 5: Solve for x
x = 271,248,575,916,419.72/19,030,686.21 - Step 6: Final answer
x = 14,253,220.98
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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.