Finding the Fourth Proportional to 16,434,142.44, 22,679,099.46 and 9,190,798.44
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Solution
The fourth proportional to 16,434,142.44, 22,679,099.46 and 9,190,798.44 is: 12,683,292.28
Step by Step Solution
- Step 1: Write the proportion equation
16,434,142.44 : 22,679,099.46 = 9,190,798.44 : x - Step 2: Convert to fraction form
16,434,142.44/22,679,099.46 = 9,190,798.44/x - Step 3: Cross multiply
16,434,142.44x = 22,679,099.46 × 9,190,798.44 - Step 4: Simplify right side
16,434,142.44x = 208,439,031,937,572.84 - Step 5: Solve for x
x = 208,439,031,937,572.84/16,434,142.44 - Step 6: Final answer
x = 12,683,292.28
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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.