Finding the Fourth Proportional to 13,677,242.93, 18,872,746.35 and 7,797,635.58
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Solution
The fourth proportional to 13,677,242.93, 18,872,746.35 and 7,797,635.58 is: 10,759,683.02
Step by Step Solution
- Step 1: Write the proportion equation
13,677,242.93 : 18,872,746.35 = 7,797,635.58 : x - Step 2: Convert to fraction form
13,677,242.93/18,872,746.35 = 7,797,635.58/x - Step 3: Cross multiply
13,677,242.93x = 18,872,746.35 × 7,797,635.58 - Step 4: Simplify right side
13,677,242.93x = 147,162,798,472,606.81 - Step 5: Solve for x
x = 147,162,798,472,606.81/13,677,242.93 - Step 6: Final answer
x = 10,759,683.02
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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.