Finding the Fourth Proportional to 9,068,935.64, 12,515,044.05 and 4,939,035.75
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Solution
The fourth proportional to 9,068,935.64, 12,515,044.05 and 4,939,035.75 is: 6,815,821.89
Step by Step Solution
- Step 1: Write the proportion equation
9,068,935.64 : 12,515,044.05 = 4,939,035.75 : x - Step 2: Convert to fraction form
9,068,935.64/12,515,044.05 = 4,939,035.75/x - Step 3: Cross multiply
9,068,935.64x = 12,515,044.05 × 4,939,035.75 - Step 4: Simplify right side
9,068,935.64x = 61,812,249,975,774.79 - Step 5: Solve for x
x = 61,812,249,975,774.79/9,068,935.64 - Step 6: Final answer
x = 6,815,821.89
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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.