Finding the Fourth Proportional to 19,461,473.56, 26,862,437.38 and 12,850,888.19
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Solution
The fourth proportional to 19,461,473.56, 26,862,437.38 and 12,850,888.19 is: 17,737,926.07
Step by Step Solution
- Step 1: Write the proportion equation
19,461,473.56 : 26,862,437.38 = 12,850,888.19 : x - Step 2: Convert to fraction form
19,461,473.56/26,862,437.38 = 12,850,888.19/x - Step 3: Cross multiply
19,461,473.56x = 26,862,437.38 × 12,850,888.19 - Step 4: Simplify right side
19,461,473.56x = 345,206,179,281,256.50 - Step 5: Solve for x
x = 345,206,179,281,256.50/19,461,473.56 - Step 6: Final answer
x = 17,737,926.07
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1.5x scale
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.