Finding the Fourth Proportional to 9,168,407.76, 12,652,744.17 and 5,497,921.92
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Solution
The fourth proportional to 9,168,407.76, 12,652,744.17 and 5,497,921.92 is: 7,587,337.01
Step by Step Solution
- Step 1: Write the proportion equation
9,168,407.76 : 12,652,744.17 = 5,497,921.92 : x - Step 2: Convert to fraction form
9,168,407.76/12,652,744.17 = 5,497,921.92/x - Step 3: Cross multiply
9,168,407.76x = 12,652,744.17 × 5,497,921.92 - Step 4: Simplify right side
9,168,407.76x = 69,563,799,520,395.20 - Step 5: Solve for x
x = 69,563,799,520,395.20/9,168,407.76 - Step 6: Final answer
x = 7,587,337.01
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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.