Finding the Fourth Proportional to 15,439,917.60, 23,159,930.54 and 3,925,386.09
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Solution
The fourth proportional to 15,439,917.60, 23,159,930.54 and 3,925,386.09 is: 5,888,092.90
Step by Step Solution
- Step 1: Write the proportion equation
15,439,917.60 : 23,159,930.54 = 3,925,386.09 : x - Step 2: Convert to fraction form
15,439,917.60/23,159,930.54 = 3,925,386.09/x - Step 3: Cross multiply
15,439,917.60x = 23,159,930.54 × 3,925,386.09 - Step 4: Simplify right side
15,439,917.60x = 90,911,669,167,455.25 - Step 5: Solve for x
x = 90,911,669,167,455.25/15,439,917.60 - Step 6: Final answer
x = 5,888,092.90
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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.