Finding the Fourth Proportional to 13,410,726.80, 18,513,363.84 and 8,998,873.96
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Solution
The fourth proportional to 13,410,726.80, 18,513,363.84 and 8,998,873.96 is: 12,422,848.53
Step by Step Solution
- Step 1: Write the proportion equation
13,410,726.80 : 18,513,363.84 = 8,998,873.96 : x - Step 2: Convert to fraction form
13,410,726.80/18,513,363.84 = 8,998,873.96/x - Step 3: Cross multiply
13,410,726.80x = 18,513,363.84 × 8,998,873.96 - Step 4: Simplify right side
13,410,726.80x = 166,599,427,771,781.62 - Step 5: Solve for x
x = 166,599,427,771,781.62/13,410,726.80 - Step 6: Final answer
x = 12,422,848.53
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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.