Finding the Fourth Proportional to 13,484,480.13, 18,613,643.04 and 8,838,564.56
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Solution
The fourth proportional to 13,484,480.13, 18,613,643.04 and 8,838,564.56 is: 12,200,536.04
Step by Step Solution
- Step 1: Write the proportion equation
13,484,480.13 : 18,613,643.04 = 8,838,564.56 : x - Step 2: Convert to fraction form
13,484,480.13/18,613,643.04 = 8,838,564.56/x - Step 3: Cross multiply
13,484,480.13x = 18,613,643.04 × 8,838,564.56 - Step 4: Simplify right side
13,484,480.13x = 164,517,885,752,368.75 - Step 5: Solve for x
x = 164,517,885,752,368.75/13,484,480.13 - Step 6: Final answer
x = 12,200,536.04
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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.