Finding the Fourth Proportional to 19,509,354.78, 29,254,867.18 and 11,314,325.82
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Solution
The fourth proportional to 19,509,354.78, 29,254,867.18 and 11,314,325.82 is: 16,966,173.55
Step by Step Solution
- Step 1: Write the proportion equation
19,509,354.78 : 29,254,867.18 = 11,314,325.82 : x - Step 2: Convert to fraction form
19,509,354.78/29,254,867.18 = 11,314,325.82/x - Step 3: Cross multiply
19,509,354.78x = 29,254,867.18 × 11,314,325.82 - Step 4: Simplify right side
19,509,354.78x = 330,999,099,095,344.56 - Step 5: Solve for x
x = 330,999,099,095,344.56/19,509,354.78 - Step 6: Final answer
x = 16,966,173.55
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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.