Finding the Fourth Proportional to 21,860,454.68, 32,802,030.36 and 8,916,101.93
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Solution
The fourth proportional to 21,860,454.68, 32,802,030.36 and 8,916,101.93 is: 13,378,781.47
Step by Step Solution
- Step 1: Write the proportion equation
21,860,454.68 : 32,802,030.36 = 8,916,101.93 : x - Step 2: Convert to fraction form
21,860,454.68/32,802,030.36 = 8,916,101.93/x - Step 3: Cross multiply
21,860,454.68x = 32,802,030.36 × 8,916,101.93 - Step 4: Simplify right side
21,860,454.68x = 292,466,246,036,704.44 - Step 5: Solve for x
x = 292,466,246,036,704.44/21,860,454.68 - Step 6: Final answer
x = 13,378,781.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.