Finding the Fourth Proportional to 51,172,257.87, 70,617,547.17 and 27,967,378.68
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Solution
The fourth proportional to 51,172,257.87, 70,617,547.17 and 27,967,378.68 is: 38,594,890.38
Step by Step Solution
- Step 1: Write the proportion equation
51,172,257.87 : 70,617,547.17 = 27,967,378.68 : x - Step 2: Convert to fraction form
51,172,257.87/70,617,547.17 = 27,967,378.68/x - Step 3: Cross multiply
51,172,257.87x = 70,617,547.17 × 27,967,378.68 - Step 4: Simplify right side
51,172,257.87x = 1,974,987,683,156,152.25 - Step 5: Solve for x
x = 1,974,987,683,156,152.25/51,172,257.87 - Step 6: Final answer
x = 38,594,890.38
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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.