Finding the Fourth Proportional to 14,257,924.74, 21,389,549.58 and 6,477,385.35
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Solution
The fourth proportional to 14,257,924.74, 21,389,549.58 and 6,477,385.35 is: 9,717,287.59
Step by Step Solution
- Step 1: Write the proportion equation
14,257,924.74 : 21,389,549.58 = 6,477,385.35 : x - Step 2: Convert to fraction form
14,257,924.74/21,389,549.58 = 6,477,385.35/x - Step 3: Cross multiply
14,257,924.74x = 21,389,549.58 × 6,477,385.35 - Step 4: Simplify right side
14,257,924.74x = 138,548,355,092,590.64 - Step 5: Solve for x
x = 138,548,355,092,590.64/14,257,924.74 - Step 6: Final answer
x = 9,717,287.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.