Finding the Fourth Proportional to 20,625,605.34, 30,908,125.34 and 10,376,377.44
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Solution
The fourth proportional to 20,625,605.34, 30,908,125.34 and 10,376,377.44 is: 15,549,331.48
Step by Step Solution
- Step 1: Write the proportion equation
20,625,605.34 : 30,908,125.34 = 10,376,377.44 : x - Step 2: Convert to fraction form
20,625,605.34/30,908,125.34 = 10,376,377.44/x - Step 3: Cross multiply
20,625,605.34x = 30,908,125.34 × 10,376,377.44 - Step 4: Simplify right side
20,625,605.34x = 320,714,374,490,668.31 - Step 5: Solve for x
x = 320,714,374,490,668.31/20,625,605.34 - Step 6: Final answer
x = 15,549,331.48
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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.