Finding the Fourth Proportional to 8,349,962.74, 11,516,116.87 and 5,877,368.62
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Solution
The fourth proportional to 8,349,962.74, 11,516,116.87 and 5,877,368.62 is: 8,105,959.99
Step by Step Solution
- Step 1: Write the proportion equation
8,349,962.74 : 11,516,116.87 = 5,877,368.62 : x - Step 2: Convert to fraction form
8,349,962.74/11,516,116.87 = 5,877,368.62/x - Step 3: Cross multiply
8,349,962.74x = 11,516,116.87 × 5,877,368.62 - Step 4: Simplify right side
8,349,962.74x = 67,684,463,915,990.62 - Step 5: Solve for x
x = 67,684,463,915,990.62/8,349,962.74 - Step 6: Final answer
x = 8,105,959.99
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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.