Finding the Fourth Proportional to 25,426,317.42, 38,135,389.95 and 6,977,952.09
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Solution
The fourth proportional to 25,426,317.42, 38,135,389.95 and 6,977,952.09 is: 10,465,806.73
Step by Step Solution
- Step 1: Write the proportion equation
25,426,317.42 : 38,135,389.95 = 6,977,952.09 : x - Step 2: Convert to fraction form
25,426,317.42/38,135,389.95 = 6,977,952.09/x - Step 3: Cross multiply
25,426,317.42x = 38,135,389.95 × 6,977,952.09 - Step 4: Simplify right side
25,426,317.42x = 266,106,924,004,567.50 - Step 5: Solve for x
x = 266,106,924,004,567.50/25,426,317.42 - Step 6: Final answer
x = 10,465,806.73
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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.