Finding the Fourth Proportional to 10,637,848.12, 15,956,772.06 and 2,659,672.12
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Solution
The fourth proportional to 10,637,848.12, 15,956,772.06 and 2,659,672.12 is: 3,989,508.15
Step by Step Solution
- Step 1: Write the proportion equation
10,637,848.12 : 15,956,772.06 = 2,659,672.12 : x - Step 2: Convert to fraction form
10,637,848.12/15,956,772.06 = 2,659,672.12/x - Step 3: Cross multiply
10,637,848.12x = 15,956,772.06 × 2,659,672.12 - Step 4: Simplify right side
10,637,848.12x = 42,439,781,773,176.97 - Step 5: Solve for x
x = 42,439,781,773,176.97/10,637,848.12 - Step 6: Final answer
x = 3,989,508.15
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1.5x scale
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.