Finding the Fourth Proportional to 19,538,058.32, 29,311,551.48 and 6,758,553.68
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Solution
The fourth proportional to 19,538,058.32, 29,311,551.48 and 6,758,553.68 is: 10,139,374.70
Step by Step Solution
- Step 1: Write the proportion equation
19,538,058.32 : 29,311,551.48 = 6,758,553.68 : x - Step 2: Convert to fraction form
19,538,058.32/29,311,551.48 = 6,758,553.68/x - Step 3: Cross multiply
19,538,058.32x = 29,311,551.48 × 6,758,553.68 - Step 4: Simplify right side
19,538,058.32x = 198,103,694,121,663.44 - Step 5: Solve for x
x = 198,103,694,121,663.44/19,538,058.32 - Step 6: Final answer
x = 10,139,374.70
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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.