Finding the Fourth Proportional to 15,562,250.28, 21,472,123.14 and 9,122,478.12
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Solution
The fourth proportional to 15,562,250.28, 21,472,123.14 and 9,122,478.12 is: 12,586,802.68
Step by Step Solution
- Step 1: Write the proportion equation
15,562,250.28 : 21,472,123.14 = 9,122,478.12 : x - Step 2: Convert to fraction form
15,562,250.28/21,472,123.14 = 9,122,478.12/x - Step 3: Cross multiply
15,562,250.28x = 21,472,123.14 × 9,122,478.12 - Step 4: Simplify right side
15,562,250.28x = 195,878,973,534,595.69 - Step 5: Solve for x
x = 195,878,973,534,595.69/15,562,250.28 - Step 6: Final answer
x = 12,586,802.68
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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.