Finding the Fourth Proportional to 19,251,646.44, 28,858,027.20 and 12,068,215.31
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Solution
The fourth proportional to 19,251,646.44, 28,858,027.20 and 12,068,215.31 is: 18,090,135.14
Step by Step Solution
- Step 1: Write the proportion equation
19,251,646.44 : 28,858,027.20 = 12,068,215.31 : x - Step 2: Convert to fraction form
19,251,646.44/28,858,027.20 = 12,068,215.31/x - Step 3: Cross multiply
19,251,646.44x = 28,858,027.20 × 12,068,215.31 - Step 4: Simplify right side
19,251,646.44x = 348,264,885,671,436.44 - Step 5: Solve for x
x = 348,264,885,671,436.44/19,251,646.44 - Step 6: Final answer
x = 18,090,135.14
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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.