Finding the Fourth Proportional to 10,239,685.48, 14,130,495.30 and 5,655,908.44
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Solution
The fourth proportional to 10,239,685.48, 14,130,495.30 and 5,655,908.44 is: 7,805,004.15
Step by Step Solution
- Step 1: Write the proportion equation
10,239,685.48 : 14,130,495.30 = 5,655,908.44 : x - Step 2: Convert to fraction form
10,239,685.48/14,130,495.30 = 5,655,908.44/x - Step 3: Cross multiply
10,239,685.48x = 14,130,495.30 × 5,655,908.44 - Step 4: Simplify right side
10,239,685.48x = 79,920,787,628,650.34 - Step 5: Solve for x
x = 79,920,787,628,650.34/10,239,685.48 - Step 6: Final answer
x = 7,805,004.15
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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.