Finding the Fourth Proportional to 25,488,355.84, 38,244,491.14 and 12,709,857
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Solution
The fourth proportional to 25,488,355.84, 38,244,491.14 and 12,709,857 is: 19,070,748.09
Step by Step Solution
- Step 1: Write the proportion equation
25,488,355.84 : 38,244,491.14 = 12,709,857 : x - Step 2: Convert to fraction form
25,488,355.84/38,244,491.14 = 12,709,857/x - Step 3: Cross multiply
25,488,355.84x = 38,244,491.14 × 12,709,857 - Step 4: Simplify right side
25,488,355.84x = 486,082,013,427,167 - Step 5: Solve for x
x = 486,082,013,427,167/25,488,355.84 - Step 6: Final answer
x = 19,070,748.09
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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.