Finding the Fourth Proportional to 38,289,440.79, 57,386,265.66 and 19,125,547.11
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Solution
The fourth proportional to 38,289,440.79, 57,386,265.66 and 19,125,547.11 is: 28,664,396.89
Step by Step Solution
- Step 1: Write the proportion equation
38,289,440.79 : 57,386,265.66 = 19,125,547.11 : x - Step 2: Convert to fraction form
38,289,440.79/57,386,265.66 = 19,125,547.11/x - Step 3: Cross multiply
38,289,440.79x = 57,386,265.66 × 19,125,547.11 - Step 4: Simplify right side
38,289,440.79x = 1,097,543,727,347,305.12 - Step 5: Solve for x
x = 1,097,543,727,347,305.12/38,289,440.79 - Step 6: Final answer
x = 28,664,396.89
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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.