Finding the Fourth Proportional to 10,386,879.28, 14,335,673.36 and 6,038,487.87
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Solution
The fourth proportional to 10,386,879.28, 14,335,673.36 and 6,038,487.87 is: 8,334,148.04
Step by Step Solution
- Step 1: Write the proportion equation
10,386,879.28 : 14,335,673.36 = 6,038,487.87 : x - Step 2: Convert to fraction form
10,386,879.28/14,335,673.36 = 6,038,487.87/x - Step 3: Cross multiply
10,386,879.28x = 14,335,673.36 × 6,038,487.87 - Step 4: Simplify right side
10,386,879.28x = 86,565,789,608,690.94 - Step 5: Solve for x
x = 86,565,789,608,690.94/10,386,879.28 - Step 6: Final answer
x = 8,334,148.04
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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.