Finding the Fourth Proportional to 13,557,432.71, 20,316,214.84 and 8,012,261.07
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Solution
The fourth proportional to 13,557,432.71, 20,316,214.84 and 8,012,261.07 is: 12,006,610.74
Step by Step Solution
- Step 1: Write the proportion equation
13,557,432.71 : 20,316,214.84 = 8,012,261.07 : x - Step 2: Convert to fraction form
13,557,432.71/20,316,214.84 = 8,012,261.07/x - Step 3: Cross multiply
13,557,432.71x = 20,316,214.84 × 8,012,261.07 - Step 4: Simplify right side
13,557,432.71x = 162,778,817,241,723.22 - Step 5: Solve for x
x = 162,778,817,241,723.22/13,557,432.71 - Step 6: Final answer
x = 12,006,610.74
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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.