Finding the Fourth Proportional to 9,181,245.19, 13,772,638.76 and 2,791,552.90
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Solution
The fourth proportional to 9,181,245.19, 13,772,638.76 and 2,791,552.90 is: 4,187,563.76
Step by Step Solution
- Step 1: Write the proportion equation
9,181,245.19 : 13,772,638.76 = 2,791,552.90 : x - Step 2: Convert to fraction form
9,181,245.19/13,772,638.76 = 2,791,552.90/x - Step 3: Cross multiply
9,181,245.19x = 13,772,638.76 × 2,791,552.90 - Step 4: Simplify right side
9,181,245.19x = 38,447,049,671,130.40 - Step 5: Solve for x
x = 38,447,049,671,130.40/9,181,245.19 - Step 6: Final answer
x = 4,187,563.76
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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.