Finding the Fourth Proportional to 14,214,389.20, 19,615,860.48 and 8,020,750.96
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Solution
The fourth proportional to 14,214,389.20, 19,615,860.48 and 8,020,750.96 is: 11,068,638.23
Step by Step Solution
- Step 1: Write the proportion equation
14,214,389.20 : 19,615,860.48 = 8,020,750.96 : x - Step 2: Convert to fraction form
14,214,389.20/19,615,860.48 = 8,020,750.96/x - Step 3: Cross multiply
14,214,389.20x = 19,615,860.48 × 8,020,750.96 - Step 4: Simplify right side
14,214,389.20x = 157,333,931,776,186.06 - Step 5: Solve for x
x = 157,333,931,776,186.06/14,214,389.20 - Step 6: Final answer
x = 11,068,638.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.