Finding the Fourth Proportional to 19,785,258.72, 29,634,038.72 and 15,202,575.18
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Solution
The fourth proportional to 19,785,258.72, 29,634,038.72 and 15,202,575.18 is: 22,770,169.85
Step by Step Solution
- Step 1: Write the proportion equation
19,785,258.72 : 29,634,038.72 = 15,202,575.18 : x - Step 2: Convert to fraction form
19,785,258.72/29,634,038.72 = 15,202,575.18/x - Step 3: Cross multiply
19,785,258.72x = 29,634,038.72 × 15,202,575.18 - Step 4: Simplify right side
19,785,258.72x = 450,513,701,527,830.94 - Step 5: Solve for x
x = 450,513,701,527,830.94/19,785,258.72 - Step 6: Final answer
x = 22,770,169.85
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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.