Finding the Fourth Proportional to 23,012,207.92, 31,762,281.09 and 13,228,328.08
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Solution
The fourth proportional to 23,012,207.92, 31,762,281.09 and 13,228,328.08 is: 18,258,216.52
Step by Step Solution
- Step 1: Write the proportion equation
23,012,207.92 : 31,762,281.09 = 13,228,328.08 : x - Step 2: Convert to fraction form
23,012,207.92/31,762,281.09 = 13,228,328.08/x - Step 3: Cross multiply
23,012,207.92x = 31,762,281.09 × 13,228,328.08 - Step 4: Simplify right side
23,012,207.92x = 420,161,874,827,700 - Step 5: Solve for x
x = 420,161,874,827,700/23,012,207.92 - Step 6: Final answer
x = 18,258,216.52
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1.5x scale
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.