Finding the Fourth Proportional to 19,260,505.40, 28,872,671.38 and 6,472,066.68
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Solution
The fourth proportional to 19,260,505.40, 28,872,671.38 and 6,472,066.68 is: 9,702,022.38
Step by Step Solution
- Step 1: Write the proportion equation
19,260,505.40 : 28,872,671.38 = 6,472,066.68 : x - Step 2: Convert to fraction form
19,260,505.40/28,872,671.38 = 6,472,066.68/x - Step 3: Cross multiply
19,260,505.40x = 28,872,671.38 × 6,472,066.68 - Step 4: Simplify right side
19,260,505.40x = 186,865,854,401,087.59 - Step 5: Solve for x
x = 186,865,854,401,087.59/19,260,505.40 - Step 6: Final answer
x = 9,702,022.38
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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.