Finding the Fourth Proportional to 19,558,711.71, 29,326,109.94 and 9,326,700.99
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Solution
The fourth proportional to 19,558,711.71, 29,326,109.94 and 9,326,700.99 is: 13,984,349.41
Step by Step Solution
- Step 1: Write the proportion equation
19,558,711.71 : 29,326,109.94 = 9,326,700.99 : x - Step 2: Convert to fraction form
19,558,711.71/29,326,109.94 = 9,326,700.99/x - Step 3: Cross multiply
19,558,711.71x = 29,326,109.94 × 9,326,700.99 - Step 4: Simplify right side
19,558,711.71x = 273,515,858,610,246.88 - Step 5: Solve for x
x = 273,515,858,610,246.88/19,558,711.71 - Step 6: Final answer
x = 13,984,349.41
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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.