Finding the Fourth Proportional to 19,344,452.80, 28,974,688.80 and 15,985,220.80
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Solution
The fourth proportional to 19,344,452.80, 28,974,688.80 and 15,985,220.80 is: 23,943,132.58
Step by Step Solution
- Step 1: Write the proportion equation
19,344,452.80 : 28,974,688.80 = 15,985,220.80 : x - Step 2: Convert to fraction form
19,344,452.80/28,974,688.80 = 15,985,220.80/x - Step 3: Cross multiply
19,344,452.80x = 28,974,688.80 × 15,985,220.80 - Step 4: Simplify right side
19,344,452.80x = 463,166,798,079,287.06 - Step 5: Solve for x
x = 463,166,798,079,287.06/19,344,452.80 - Step 6: Final answer
x = 23,943,132.58
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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.