Finding the Fourth Proportional to 13,055,805.19, 18,016,652.84 and 7,254,437.77
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Solution
The fourth proportional to 13,055,805.19, 18,016,652.84 and 7,254,437.77 is: 10,010,925.02
Step by Step Solution
- Step 1: Write the proportion equation
13,055,805.19 : 18,016,652.84 = 7,254,437.77 : x - Step 2: Convert to fraction form
13,055,805.19/18,016,652.84 = 7,254,437.77/x - Step 3: Cross multiply
13,055,805.19x = 18,016,652.84 × 7,254,437.77 - Step 4: Simplify right side
13,055,805.19x = 130,700,686,851,473.75 - Step 5: Solve for x
x = 130,700,686,851,473.75/13,055,805.19 - Step 6: Final answer
x = 10,010,925.02
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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.