Finding the Fourth Proportional to 23,120,772.93, 31,906,655.55 and 13,828,342.84
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Solution
The fourth proportional to 23,120,772.93, 31,906,655.55 and 13,828,342.84 is: 19,083,106.48
Step by Step Solution
- Step 1: Write the proportion equation
23,120,772.93 : 31,906,655.55 = 13,828,342.84 : x - Step 2: Convert to fraction form
23,120,772.93/31,906,655.55 = 13,828,342.84/x - Step 3: Cross multiply
23,120,772.93x = 31,906,655.55 × 13,828,342.84 - Step 4: Simplify right side
23,120,772.93x = 441,216,171,823,188.75 - Step 5: Solve for x
x = 441,216,171,823,188.75/23,120,772.93 - Step 6: Final answer
x = 19,083,106.48
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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.