Finding the Fourth Proportional to 22,238,289.16, 30,689,480 and 12,448,675.74
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Solution
The fourth proportional to 22,238,289.16, 30,689,480 and 12,448,675.74 is: 17,179,531.32
Step by Step Solution
- Step 1: Write the proportion equation
22,238,289.16 : 30,689,480 = 12,448,675.74 : x - Step 2: Convert to fraction form
22,238,289.16/30,689,480 = 12,448,675.74/x - Step 3: Cross multiply
22,238,289.16x = 30,689,480 × 12,448,675.74 - Step 4: Simplify right side
22,238,289.16x = 382,043,385,149,215.19 - Step 5: Solve for x
x = 382,043,385,149,215.19/22,238,289.16 - Step 6: Final answer
x = 17,179,531.32
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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.