Finding the Fourth Proportional to 15,268,525.13, 21,070,705.80 and 8,299,219.08
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Solution
The fourth proportional to 15,268,525.13, 21,070,705.80 and 8,299,219.08 is: 11,452,999.04
Step by Step Solution
- Step 1: Write the proportion equation
15,268,525.13 : 21,070,705.80 = 8,299,219.08 : x - Step 2: Convert to fraction form
15,268,525.13/21,070,705.80 = 8,299,219.08/x - Step 3: Cross multiply
15,268,525.13x = 21,070,705.80 × 8,299,219.08 - Step 4: Simplify right side
15,268,525.13x = 174,870,403,604,426.66 - Step 5: Solve for x
x = 174,870,403,604,426.66/15,268,525.13 - Step 6: Final answer
x = 11,452,999.04
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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.