Finding the Fourth Proportional to 8,706,141.84, 13,058,989.20 and 2,316,448.20
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Solution
The fourth proportional to 8,706,141.84, 13,058,989.20 and 2,316,448.20 is: 3,474,612.82
Step by Step Solution
- Step 1: Write the proportion equation
8,706,141.84 : 13,058,989.20 = 2,316,448.20 : x - Step 2: Convert to fraction form
8,706,141.84/13,058,989.20 = 2,316,448.20/x - Step 3: Cross multiply
8,706,141.84x = 13,058,989.20 × 2,316,448.20 - Step 4: Simplify right side
8,706,141.84x = 30,250,472,026,159.44 - Step 5: Solve for x
x = 30,250,472,026,159.44/8,706,141.84 - Step 6: Final answer
x = 3,474,612.82
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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.