Finding the Fourth Proportional to 10,230,180.84, 14,116,643.82 and 5,646,206.70
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Solution
The fourth proportional to 10,230,180.84, 14,116,643.82 and 5,646,206.70 is: 7,791,210.16
Step by Step Solution
- Step 1: Write the proportion equation
10,230,180.84 : 14,116,643.82 = 5,646,206.70 : x - Step 2: Convert to fraction form
10,230,180.84/14,116,643.82 = 5,646,206.70/x - Step 3: Cross multiply
10,230,180.84x = 14,116,643.82 × 5,646,206.70 - Step 4: Simplify right side
10,230,180.84x = 79,705,488,917,997.59 - Step 5: Solve for x
x = 79,705,488,917,997.59/10,230,180.84 - Step 6: Final answer
x = 7,791,210.16
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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.