Finding the Fourth Proportional to 21,510,482.64, 29,650,852.64 and 14,623,007.28
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Solution
The fourth proportional to 21,510,482.64, 29,650,852.64 and 14,623,007.28 is: 20,156,899.37
Step by Step Solution
- Step 1: Write the proportion equation
21,510,482.64 : 29,650,852.64 = 14,623,007.28 : x - Step 2: Convert to fraction form
21,510,482.64/29,650,852.64 = 14,623,007.28/x - Step 3: Cross multiply
21,510,482.64x = 29,650,852.64 × 14,623,007.28 - Step 4: Simplify right side
21,510,482.64x = 433,584,634,012,927.19 - Step 5: Solve for x
x = 433,584,634,012,927.19/21,510,482.64 - Step 6: Final answer
x = 20,156,899.37
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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.