Finding the Fourth Proportional to 19,143,101.16, 28,727,074.04 and 11,460,957.48
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Solution
The fourth proportional to 19,143,101.16, 28,727,074.04 and 11,460,957.48 is: 17,198,873.44
Step by Step Solution
- Step 1: Write the proportion equation
19,143,101.16 : 28,727,074.04 = 11,460,957.48 : x - Step 2: Convert to fraction form
19,143,101.16/28,727,074.04 = 11,460,957.48/x - Step 3: Cross multiply
19,143,101.16x = 28,727,074.04 × 11,460,957.48 - Step 4: Simplify right side
19,143,101.16x = 329,239,774,039,947.06 - Step 5: Solve for x
x = 329,239,774,039,947.06/19,143,101.16 - Step 6: Final answer
x = 17,198,873.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.