Finding the Fourth Proportional to 19,785,257.72, 29,634,037.22 and 15,202,574.18
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Solution
The fourth proportional to 19,785,257.72, 29,634,037.22 and 15,202,574.18 is: 22,770,168.35
Step by Step Solution
- Step 1: Write the proportion equation
19,785,257.72 : 29,634,037.22 = 15,202,574.18 : x - Step 2: Convert to fraction form
19,785,257.72/29,634,037.22 = 15,202,574.18/x - Step 3: Cross multiply
19,785,257.72x = 29,634,037.22 × 15,202,574.18 - Step 4: Simplify right side
19,785,257.72x = 450,513,649,090,894.88 - Step 5: Solve for x
x = 450,513,649,090,894.88/19,785,257.72 - Step 6: Final answer
x = 22,770,168.35
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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.