Finding the Fourth Proportional to 13,484,639.04, 18,613,862.16 and 8,838,723.36
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Solution
The fourth proportional to 13,484,639.04, 18,613,862.16 and 8,838,723.36 is: 12,200,755.08
Step by Step Solution
- Step 1: Write the proportion equation
13,484,639.04 : 18,613,862.16 = 8,838,723.36 : x - Step 2: Convert to fraction form
13,484,639.04/18,613,862.16 = 8,838,723.36/x - Step 3: Cross multiply
13,484,639.04x = 18,613,862.16 × 8,838,723.36 - Step 4: Simplify right side
13,484,639.04x = 164,522,778,293,412.06 - Step 5: Solve for x
x = 164,522,778,293,412.06/13,484,639.04 - Step 6: Final answer
x = 12,200,755.08
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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.