Finding the Fourth Proportional to 51,370,689.92, 77,060,228.16 and 25,798,547.84
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Solution
The fourth proportional to 51,370,689.92, 77,060,228.16 and 25,798,547.84 is: 38,699,927.64
Step by Step Solution
- Step 1: Write the proportion equation
51,370,689.92 : 77,060,228.16 = 25,798,547.84 : x - Step 2: Convert to fraction form
51,370,689.92/77,060,228.16 = 25,798,547.84/x - Step 3: Cross multiply
51,370,689.92x = 77,060,228.16 × 25,798,547.84 - Step 4: Simplify right side
51,370,689.92x = 1,988,041,982,747,075 - Step 5: Solve for x
x = 1,988,041,982,747,075/51,370,689.92 - Step 6: Final answer
x = 38,699,927.64
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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.