Finding the Fourth Proportional to 14,260,373.15, 19,681,830.44 and 8,462,351.84
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Solution
The fourth proportional to 14,260,373.15, 19,681,830.44 and 8,462,351.84 is: 11,679,538.27
Step by Step Solution
- Step 1: Write the proportion equation
14,260,373.15 : 19,681,830.44 = 8,462,351.84 : x - Step 2: Convert to fraction form
14,260,373.15/19,681,830.44 = 8,462,351.84/x - Step 3: Cross multiply
14,260,373.15x = 19,681,830.44 × 8,462,351.84 - Step 4: Simplify right side
14,260,373.15x = 166,554,573,897,781.09 - Step 5: Solve for x
x = 166,554,573,897,781.09/14,260,373.15 - Step 6: Final answer
x = 11,679,538.27
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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.