Finding the Fourth Proportional to 23,653,987.92, 32,642,457.84 and 13,340,679.12
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Solution
The fourth proportional to 23,653,987.92, 32,642,457.84 and 13,340,679.12 is: 18,410,111.53
Step by Step Solution
- Step 1: Write the proportion equation
23,653,987.92 : 32,642,457.84 = 13,340,679.12 : x - Step 2: Convert to fraction form
23,653,987.92/32,642,457.84 = 13,340,679.12/x - Step 3: Cross multiply
23,653,987.92x = 32,642,457.84 × 13,340,679.12 - Step 4: Simplify right side
23,653,987.92x = 435,472,555,731,568.25 - Step 5: Solve for x
x = 435,472,555,731,568.25/23,653,987.92 - Step 6: Final answer
x = 18,410,111.53
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1.5x scale
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.