Finding the Fourth Proportional to 9,791,326.91, 13,512,355.09 and 5,381,208.86
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Solution
The fourth proportional to 9,791,326.91, 13,512,355.09 and 5,381,208.86 is: 7,426,246.28
Step by Step Solution
- Step 1: Write the proportion equation
9,791,326.91 : 13,512,355.09 = 5,381,208.86 : x - Step 2: Convert to fraction form
9,791,326.91/13,512,355.09 = 5,381,208.86/x - Step 3: Cross multiply
9,791,326.91x = 13,512,355.09 × 5,381,208.86 - Step 4: Simplify right side
9,791,326.91x = 72,712,804,987,647.41 - Step 5: Solve for x
x = 72,712,804,987,647.41/9,791,326.91 - Step 6: Final answer
x = 7,426,246.28
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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.