Finding the Fourth Proportional to 18,427,158.92, 27,642,397.30 and 4,963,688.84
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Solution
The fourth proportional to 18,427,158.92, 27,642,397.30 and 4,963,688.84 is: 7,445,980.12
Step by Step Solution
- Step 1: Write the proportion equation
18,427,158.92 : 27,642,397.30 = 4,963,688.84 : x - Step 2: Convert to fraction form
18,427,158.92/27,642,397.30 = 4,963,688.84/x - Step 3: Cross multiply
18,427,158.92x = 27,642,397.30 × 4,963,688.84 - Step 4: Simplify right side
18,427,158.92x = 137,208,258,988,856.12 - Step 5: Solve for x
x = 137,208,258,988,856.12/18,427,158.92 - Step 6: Final answer
x = 7,445,980.12
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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.