Finding the Fourth Proportional to 21,264,346.17, 31,913,545.05 and 11,032,138.62
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Solution
The fourth proportional to 21,264,346.17, 31,913,545.05 and 11,032,138.62 is: 16,557,041.07
Step by Step Solution
- Step 1: Write the proportion equation
21,264,346.17 : 31,913,545.05 = 11,032,138.62 : x - Step 2: Convert to fraction form
21,264,346.17/31,913,545.05 = 11,032,138.62/x - Step 3: Cross multiply
21,264,346.17x = 31,913,545.05 × 11,032,138.62 - Step 4: Simplify right side
21,264,346.17x = 352,074,652,847,214.81 - Step 5: Solve for x
x = 352,074,652,847,214.81/21,264,346.17 - Step 6: Final answer
x = 16,557,041.07
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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.