Finding the Fourth Proportional to 9,881,207.20, 14,823,193.20 and 4,201,386.40
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Solution
The fourth proportional to 9,881,207.20, 14,823,193.20 and 4,201,386.40 is: 6,302,667.38
Step by Step Solution
- Step 1: Write the proportion equation
9,881,207.20 : 14,823,193.20 = 4,201,386.40 : x - Step 2: Convert to fraction form
9,881,207.20/14,823,193.20 = 4,201,386.40/x - Step 3: Cross multiply
9,881,207.20x = 14,823,193.20 × 4,201,386.40 - Step 4: Simplify right side
9,881,207.20x = 62,277,962,315,052.48 - Step 5: Solve for x
x = 62,277,962,315,052.48/9,881,207.20 - Step 6: Final answer
x = 6,302,667.38
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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.