Finding the Fourth Proportional to 40,367,074.60, 60,509,277.60 and 19,865,261.80
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Solution
The fourth proportional to 40,367,074.60, 60,509,277.60 and 19,865,261.80 is: 29,777,551.45
Step by Step Solution
- Step 1: Write the proportion equation
40,367,074.60 : 60,509,277.60 = 19,865,261.80 : x - Step 2: Convert to fraction form
40,367,074.60/60,509,277.60 = 19,865,261.80/x - Step 3: Cross multiply
40,367,074.60x = 60,509,277.60 × 19,865,261.80 - Step 4: Simplify right side
40,367,074.60x = 1,202,032,640,852,875.75 - Step 5: Solve for x
x = 1,202,032,640,852,875.75/40,367,074.60 - Step 6: Final answer
x = 29,777,551.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.