Finding the Fourth Proportional to 10,797,664.50, 14,900,954.04 and 6,447,130.98
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Solution
The fourth proportional to 10,797,664.50, 14,900,954.04 and 6,447,130.98 is: 8,897,146.45
Step by Step Solution
- Step 1: Write the proportion equation
10,797,664.50 : 14,900,954.04 = 6,447,130.98 : x - Step 2: Convert to fraction form
10,797,664.50/14,900,954.04 = 6,447,130.98/x - Step 3: Cross multiply
10,797,664.50x = 14,900,954.04 × 6,447,130.98 - Step 4: Simplify right side
10,797,664.50x = 96,068,402,422,840.16 - Step 5: Solve for x
x = 96,068,402,422,840.16/10,797,664.50 - Step 6: Final answer
x = 8,897,146.45
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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.