Finding the Fourth Proportional to 33,070,877.12, 49,607,248.80 and 9,136,349.12
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Solution
The fourth proportional to 33,070,877.12, 49,607,248.80 and 9,136,349.12 is: 13,704,781.47
Step by Step Solution
- Step 1: Write the proportion equation
33,070,877.12 : 49,607,248.80 = 9,136,349.12 : x - Step 2: Convert to fraction form
33,070,877.12/49,607,248.80 = 9,136,349.12/x - Step 3: Cross multiply
33,070,877.12x = 49,607,248.80 × 9,136,349.12 - Step 4: Simplify right side
33,070,877.12x = 453,229,143,919,501 - Step 5: Solve for x
x = 453,229,143,919,501/33,070,877.12 - Step 6: Final answer
x = 13,704,781.47
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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.