Finding the Fourth Proportional to 7,138,743.06, 9,851,579.91 and 3,875,555.18
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Solution
The fourth proportional to 7,138,743.06, 9,851,579.91 and 3,875,555.18 is: 5,348,328.30
Step by Step Solution
- Step 1: Write the proportion equation
7,138,743.06 : 9,851,579.91 = 3,875,555.18 : x - Step 2: Convert to fraction form
7,138,743.06/9,851,579.91 = 3,875,555.18/x - Step 3: Cross multiply
7,138,743.06x = 9,851,579.91 × 3,875,555.18 - Step 4: Simplify right side
7,138,743.06x = 38,180,341,551,384.44 - Step 5: Solve for x
x = 38,180,341,551,384.44/7,138,743.06 - Step 6: Final answer
x = 5,348,328.30
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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.