Finding the Fourth Proportional to 19,257,753.53, 26,531,035.11 and 13,447,331.93
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Solution
The fourth proportional to 19,257,753.53, 26,531,035.11 and 13,447,331.93 is: 18,526,129.49
Step by Step Solution
- Step 1: Write the proportion equation
19,257,753.53 : 26,531,035.11 = 13,447,331.93 : x - Step 2: Convert to fraction form
19,257,753.53/26,531,035.11 = 13,447,331.93/x - Step 3: Cross multiply
19,257,753.53x = 26,531,035.11 × 13,447,331.93 - Step 4: Simplify right side
19,257,753.53x = 356,771,635,636,981.62 - Step 5: Solve for x
x = 356,771,635,636,981.62/19,257,753.53 - Step 6: Final answer
x = 18,526,129.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.