Finding the Fourth Proportional to 48,331,513.09, 66,698,904.39 and 26,306,439.07
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Solution
The fourth proportional to 48,331,513.09, 66,698,904.39 and 26,306,439.07 is: 36,303,656.81
Step by Step Solution
- Step 1: Write the proportion equation
48,331,513.09 : 66,698,904.39 = 26,306,439.07 : x - Step 2: Convert to fraction form
48,331,513.09/66,698,904.39 = 26,306,439.07/x - Step 3: Cross multiply
48,331,513.09x = 66,698,904.39 × 26,306,439.07 - Step 4: Simplify right side
48,331,513.09x = 1,754,610,664,371,290.50 - Step 5: Solve for x
x = 1,754,610,664,371,290.50/48,331,513.09 - Step 6: Final answer
x = 36,303,656.81
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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.