Finding the Fourth Proportional to 22,235,193.12, 33,358,540 and 13,020,947.20
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Solution
The fourth proportional to 22,235,193.12, 33,358,540 and 13,020,947.20 is: 19,534,788.19
Step by Step Solution
- Step 1: Write the proportion equation
22,235,193.12 : 33,358,540 = 13,020,947.20 : x - Step 2: Convert to fraction form
22,235,193.12/33,358,540 = 13,020,947.20/x - Step 3: Cross multiply
22,235,193.12x = 33,358,540 × 13,020,947.20 - Step 4: Simplify right side
22,235,193.12x = 434,359,788,009,088 - Step 5: Solve for x
x = 434,359,788,009,088/22,235,193.12 - Step 6: Final answer
x = 19,534,788.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.