Finding the Fourth Proportional to 39,164,299.47, 58,746,438.09 and 12,237,955.47
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Solution
The fourth proportional to 39,164,299.47, 58,746,438.09 and 12,237,955.47 is: 18,356,929.73
Step by Step Solution
- Step 1: Write the proportion equation
39,164,299.47 : 58,746,438.09 = 12,237,955.47 : x - Step 2: Convert to fraction form
39,164,299.47/58,746,438.09 = 12,237,955.47/x - Step 3: Cross multiply
39,164,299.47x = 58,746,438.09 × 12,237,955.47 - Step 4: Simplify right side
39,164,299.47x = 718,936,293,366,531.88 - Step 5: Solve for x
x = 718,936,293,366,531.88/39,164,299.47 - Step 6: Final answer
x = 18,356,929.73
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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.