Finding the Fourth Proportional to 23,634,985.84, 32,616,311.63 and 13,038,136.74
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Solution
The fourth proportional to 23,634,985.84, 32,616,311.63 and 13,038,136.74 is: 17,992,645.90
Step by Step Solution
- Step 1: Write the proportion equation
23,634,985.84 : 32,616,311.63 = 13,038,136.74 : x - Step 2: Convert to fraction form
23,634,985.84/32,616,311.63 = 13,038,136.74/x - Step 3: Cross multiply
23,634,985.84x = 32,616,311.63 × 13,038,136.74 - Step 4: Simplify right side
23,634,985.84x = 425,255,930,986,392.25 - Step 5: Solve for x
x = 425,255,930,986,392.25/23,634,985.84 - Step 6: Final answer
x = 17,992,645.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.