Finding the Fourth Proportional to 28,937,721.88, 43,349,830.62 and 16,781,646.97
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Solution
The fourth proportional to 28,937,721.88, 43,349,830.62 and 16,781,646.97 is: 25,139,558.56
Step by Step Solution
- Step 1: Write the proportion equation
28,937,721.88 : 43,349,830.62 = 16,781,646.97 : x - Step 2: Convert to fraction form
28,937,721.88/43,349,830.62 = 16,781,646.97/x - Step 3: Cross multiply
28,937,721.88x = 43,349,830.62 × 16,781,646.97 - Step 4: Simplify right side
28,937,721.88x = 727,481,553,674,136.12 - Step 5: Solve for x
x = 727,481,553,674,136.12/28,937,721.88 - Step 6: Final answer
x = 25,139,558.56
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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.