Finding the Fourth Proportional to 26,797,143.12, 36,980,075.75 and 15,034,787.75
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Solution
The fourth proportional to 26,797,143.12, 36,980,075.75 and 15,034,787.75 is: 20,748,017.32
Step by Step Solution
- Step 1: Write the proportion equation
26,797,143.12 : 36,980,075.75 = 15,034,787.75 : x - Step 2: Convert to fraction form
26,797,143.12/36,980,075.75 = 15,034,787.75/x - Step 3: Cross multiply
26,797,143.12x = 36,980,075.75 × 15,034,787.75 - Step 4: Simplify right side
26,797,143.12x = 555,987,589,620,097.69 - Step 5: Solve for x
x = 555,987,589,620,097.69/26,797,143.12 - Step 6: Final answer
x = 20,748,017.32
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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.