Finding the Fourth Proportional to 9,915,652.24, 13,683,871.47 and 5,565,008.23
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Solution
The fourth proportional to 9,915,652.24, 13,683,871.47 and 5,565,008.23 is: 7,679,863.66
Step by Step Solution
- Step 1: Write the proportion equation
9,915,652.24 : 13,683,871.47 = 5,565,008.23 : x - Step 2: Convert to fraction form
9,915,652.24/13,683,871.47 = 5,565,008.23/x - Step 3: Cross multiply
9,915,652.24x = 13,683,871.47 × 5,565,008.23 - Step 4: Simplify right side
9,915,652.24x = 76,150,857,348,812.20 - Step 5: Solve for x
x = 76,150,857,348,812.20/9,915,652.24 - Step 6: Final answer
x = 7,679,863.66
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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.