Finding the Fourth Proportional to 15,202,979.51, 22,808,356.43 and 4,420,280.31
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Solution
The fourth proportional to 15,202,979.51, 22,808,356.43 and 4,420,280.31 is: 6,631,550.66
Step by Step Solution
- Step 1: Write the proportion equation
15,202,979.51 : 22,808,356.43 = 4,420,280.31 : x - Step 2: Convert to fraction form
15,202,979.51/22,808,356.43 = 4,420,280.31/x - Step 3: Cross multiply
15,202,979.51x = 22,808,356.43 × 4,420,280.31 - Step 4: Simplify right side
15,202,979.51x = 100,819,328,808,889.48 - Step 5: Solve for x
x = 100,819,328,808,889.48/15,202,979.51 - Step 6: Final answer
x = 6,631,550.66
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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.