Finding the Fourth Proportional to 14,385,221.34, 19,851,994.98 and 8,587,368.06
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Solution
The fourth proportional to 14,385,221.34, 19,851,994.98 and 8,587,368.06 is: 11,850,800.46
Step by Step Solution
- Step 1: Write the proportion equation
14,385,221.34 : 19,851,994.98 = 8,587,368.06 : x - Step 2: Convert to fraction form
14,385,221.34/19,851,994.98 = 8,587,368.06/x - Step 3: Cross multiply
14,385,221.34x = 19,851,994.98 × 8,587,368.06 - Step 4: Simplify right side
14,385,221.34x = 170,476,387,618,532.34 - Step 5: Solve for x
x = 170,476,387,618,532.34/14,385,221.34 - Step 6: Final answer
x = 11,850,800.46
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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.