Finding the Fourth Proportional to 35,385,681.80, 48,830,670.18 and 19,705,515.12
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Solution
The fourth proportional to 35,385,681.80, 48,830,670.18 and 19,705,515.12 is: 27,192,736.17
Step by Step Solution
- Step 1: Write the proportion equation
35,385,681.80 : 48,830,670.18 = 19,705,515.12 : x - Step 2: Convert to fraction form
35,385,681.80/48,830,670.18 = 19,705,515.12/x - Step 3: Cross multiply
35,385,681.80x = 48,830,670.18 × 19,705,515.12 - Step 4: Simplify right side
35,385,681.80x = 962,233,509,551,723.12 - Step 5: Solve for x
x = 962,233,509,551,723.12/35,385,681.80 - Step 6: Final answer
x = 27,192,736.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.