Finding the Fourth Proportional to 19,543,138.64, 29,319,211.45 and 6,763,643.33
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Solution
The fourth proportional to 19,543,138.64, 29,319,211.45 and 6,763,643.33 is: 10,147,023.60
Step by Step Solution
- Step 1: Write the proportion equation
19,543,138.64 : 29,319,211.45 = 6,763,643.33 : x - Step 2: Convert to fraction form
19,543,138.64/29,319,211.45 = 6,763,643.33/x - Step 3: Cross multiply
19,543,138.64x = 29,319,211.45 × 6,763,643.33 - Step 4: Simplify right side
19,543,138.64x = 198,304,688,936,457.69 - Step 5: Solve for x
x = 198,304,688,936,457.69/19,543,138.64 - Step 6: Final answer
x = 10,147,023.60
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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.