Finding the Fourth Proportional to 26,418,639.83, 36,457,987.04 and 14,815,954.19
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Solution
The fourth proportional to 26,418,639.83, 36,457,987.04 and 14,815,954.19 is: 20,446,164.89
Step by Step Solution
- Step 1: Write the proportion equation
26,418,639.83 : 36,457,987.04 = 14,815,954.19 : x - Step 2: Convert to fraction form
26,418,639.83/36,457,987.04 = 14,815,954.19/x - Step 3: Cross multiply
26,418,639.83x = 36,457,987.04 × 14,815,954.19 - Step 4: Simplify right side
26,418,639.83x = 540,159,865,916,878.75 - Step 5: Solve for x
x = 540,159,865,916,878.75/26,418,639.83 - Step 6: Final answer
x = 20,446,164.89
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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.