Finding the Fourth Proportional to 14,456,703.42, 21,685,128.91 and 4,872,164.99
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Solution
The fourth proportional to 14,456,703.42, 21,685,128.91 and 4,872,164.99 is: 7,308,272.34
Step by Step Solution
- Step 1: Write the proportion equation
14,456,703.42 : 21,685,128.91 = 4,872,164.99 : x - Step 2: Convert to fraction form
14,456,703.42/21,685,128.91 = 4,872,164.99/x - Step 3: Cross multiply
14,456,703.42x = 21,685,128.91 × 4,872,164.99 - Step 4: Simplify right side
14,456,703.42x = 105,653,525,758,332.81 - Step 5: Solve for x
x = 105,653,525,758,332.81/14,456,703.42 - Step 6: Final answer
x = 7,308,272.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.