Finding the Fourth Proportional to 16,391,801.68, 22,599,657.48 and 13,440,746.32
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Solution
The fourth proportional to 16,391,801.68, 22,599,657.48 and 13,440,746.32 is: 18,530,986.96
Step by Step Solution
- Step 1: Write the proportion equation
16,391,801.68 : 22,599,657.48 = 13,440,746.32 : x - Step 2: Convert to fraction form
16,391,801.68/22,599,657.48 = 13,440,746.32/x - Step 3: Cross multiply
16,391,801.68x = 22,599,657.48 × 13,440,746.32 - Step 4: Simplify right side
16,391,801.68x = 303,756,263,107,570.50 - Step 5: Solve for x
x = 303,756,263,107,570.50/16,391,801.68 - Step 6: Final answer
x = 18,530,986.96
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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.