Finding the Fourth Proportional to 15,768,083.80, 23,652,125.70 and 5,130,515.80
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Solution
The fourth proportional to 15,768,083.80, 23,652,125.70 and 5,130,515.80 is: 7,695,773.70
Step by Step Solution
- Step 1: Write the proportion equation
15,768,083.80 : 23,652,125.70 = 5,130,515.80 : x - Step 2: Convert to fraction form
15,768,083.80/23,652,125.70 = 5,130,515.80/x - Step 3: Cross multiply
15,768,083.80x = 23,652,125.70 × 5,130,515.80 - Step 4: Simplify right side
15,768,083.80x = 121,347,604,607,436.05 - Step 5: Solve for x
x = 121,347,604,607,436.05/15,768,083.80 - Step 6: Final answer
x = 7,695,773.70
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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.