Finding the Fourth Proportional to 25,937,881.98, 38,920,281.12 and 11,557,605.17
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Solution
The fourth proportional to 25,937,881.98, 38,920,281.12 and 11,557,605.17 is: 17,342,404.54
Step by Step Solution
- Step 1: Write the proportion equation
25,937,881.98 : 38,920,281.12 = 11,557,605.17 : x - Step 2: Convert to fraction form
25,937,881.98/38,920,281.12 = 11,557,605.17/x - Step 3: Cross multiply
25,937,881.98x = 38,920,281.12 × 11,557,605.17 - Step 4: Simplify right side
25,937,881.98x = 449,825,242,095,763.94 - Step 5: Solve for x
x = 449,825,242,095,763.94/25,937,881.98 - Step 6: Final answer
x = 17,342,404.54
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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.