Finding the Fourth Proportional to 42,087,344.66, 63,133,466.38 and 11,797,569.62
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Solution
The fourth proportional to 42,087,344.66, 63,133,466.38 and 11,797,569.62 is: 17,697,041.02
Step by Step Solution
- Step 1: Write the proportion equation
42,087,344.66 : 63,133,466.38 = 11,797,569.62 : x - Step 2: Convert to fraction form
42,087,344.66/63,133,466.38 = 11,797,569.62/x - Step 3: Cross multiply
42,087,344.66x = 63,133,466.38 × 11,797,569.62 - Step 4: Simplify right side
42,087,344.66x = 744,821,464,969,979.38 - Step 5: Solve for x
x = 744,821,464,969,979.38/42,087,344.66 - Step 6: Final answer
x = 17,697,041.02
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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.