Finding the Fourth Proportional to 49,708,643.55, 74,574,261.05 and 15,168,135.12
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Solution
The fourth proportional to 49,708,643.55, 74,574,261.05 and 15,168,135.12 is: 22,755,649.47
Step by Step Solution
- Step 1: Write the proportion equation
49,708,643.55 : 74,574,261.05 = 15,168,135.12 : x - Step 2: Convert to fraction form
49,708,643.55/74,574,261.05 = 15,168,135.12/x - Step 3: Cross multiply
49,708,643.55x = 74,574,261.05 × 15,168,135.12 - Step 4: Simplify right side
49,708,643.55x = 1,131,152,468,004,712.25 - Step 5: Solve for x
x = 1,131,152,468,004,712.25/49,708,643.55 - Step 6: Final answer
x = 22,755,649.47
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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.