Finding the Fourth Proportional to 27,611,283.06, 38,103,686.10 and 15,221,104.56
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Solution
The fourth proportional to 27,611,283.06, 38,103,686.10 and 15,221,104.56 is: 21,005,187.95
Step by Step Solution
- Step 1: Write the proportion equation
27,611,283.06 : 38,103,686.10 = 15,221,104.56 : x - Step 2: Convert to fraction form
27,611,283.06/38,103,686.10 = 15,221,104.56/x - Step 3: Cross multiply
27,611,283.06x = 38,103,686.10 × 15,221,104.56 - Step 4: Simplify right side
27,611,283.06x = 579,980,190,249,518.62 - Step 5: Solve for x
x = 579,980,190,249,518.62/27,611,283.06 - Step 6: Final answer
x = 21,005,187.95
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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.