Finding the Fourth Proportional to 25,127,908.20, 37,698,860.70 and 12,348,829.80
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Solution
The fourth proportional to 25,127,908.20, 37,698,860.70 and 12,348,829.80 is: 18,526,683.99
Step by Step Solution
- Step 1: Write the proportion equation
25,127,908.20 : 37,698,860.70 = 12,348,829.80 : x - Step 2: Convert to fraction form
25,127,908.20/37,698,860.70 = 12,348,829.80/x - Step 3: Cross multiply
25,127,908.20x = 37,698,860.70 × 12,348,829.80 - Step 4: Simplify right side
25,127,908.20x = 465,536,814,438,208.94 - Step 5: Solve for x
x = 465,536,814,438,208.94/25,127,908.20 - Step 6: Final answer
x = 18,526,683.99
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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.