Finding the Fourth Proportional to 15,653,562.91, 23,480,111.08 and 5,425,867.87
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Solution
The fourth proportional to 15,653,562.91, 23,480,111.08 and 5,425,867.87 is: 8,138,720.94
Step by Step Solution
- Step 1: Write the proportion equation
15,653,562.91 : 23,480,111.08 = 5,425,867.87 : x - Step 2: Convert to fraction form
15,653,562.91/23,480,111.08 = 5,425,867.87/x - Step 3: Cross multiply
15,653,562.91x = 23,480,111.08 × 5,425,867.87 - Step 4: Simplify right side
15,653,562.91x = 127,399,980,220,738.05 - Step 5: Solve for x
x = 127,399,980,220,738.05/15,653,562.91 - Step 6: Final answer
x = 8,138,720.94
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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.