Finding the Fourth Proportional to 14,035,401.79, 19,360,771.36 and 8,449,763.13
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Solution
The fourth proportional to 14,035,401.79, 19,360,771.36 and 8,449,763.13 is: 11,655,806.83
Step by Step Solution
- Step 1: Write the proportion equation
14,035,401.79 : 19,360,771.36 = 8,449,763.13 : x - Step 2: Convert to fraction form
14,035,401.79/19,360,771.36 = 8,449,763.13/x - Step 3: Cross multiply
14,035,401.79x = 19,360,771.36 × 8,449,763.13 - Step 4: Simplify right side
14,035,401.79x = 163,593,931,984,963.59 - Step 5: Solve for x
x = 163,593,931,984,963.59/14,035,401.79 - Step 6: Final answer
x = 11,655,806.83
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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.