Finding the Fourth Proportional to 10,142,918.18, 15,215,263.12 and 2,569,883.94
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Solution
The fourth proportional to 10,142,918.18, 15,215,263.12 and 2,569,883.94 is: 3,855,050.36
Step by Step Solution
- Step 1: Write the proportion equation
10,142,918.18 : 15,215,263.12 = 2,569,883.94 : x - Step 2: Convert to fraction form
10,142,918.18/15,215,263.12 = 2,569,883.94/x - Step 3: Cross multiply
10,142,918.18x = 15,215,263.12 × 2,569,883.94 - Step 4: Simplify right side
10,142,918.18x = 39,101,460,334,962.29 - Step 5: Solve for x
x = 39,101,460,334,962.29/10,142,918.18 - Step 6: Final answer
x = 3,855,050.36
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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.