Finding the Fourth Proportional to 51,709,017.13, 77,539,678.75 and 15,304,390.09
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Solution
The fourth proportional to 51,709,017.13, 77,539,678.75 and 15,304,390.09 is: 22,949,527.12
Step by Step Solution
- Step 1: Write the proportion equation
51,709,017.13 : 77,539,678.75 = 15,304,390.09 : x - Step 2: Convert to fraction form
51,709,017.13/77,539,678.75 = 15,304,390.09/x - Step 3: Cross multiply
51,709,017.13x = 77,539,678.75 × 15,304,390.09 - Step 4: Simplify right side
51,709,017.13x = 1,186,697,491,043,283.50 - Step 5: Solve for x
x = 1,186,697,491,043,283.50/51,709,017.13 - Step 6: Final answer
x = 22,949,527.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.