Finding the Fourth Proportional to 19,623,432.96, 29,434,948.56 and 5,050,295.40
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Solution
The fourth proportional to 19,623,432.96, 29,434,948.56 and 5,050,295.40 is: 7,575,391.40
Step by Step Solution
- Step 1: Write the proportion equation
19,623,432.96 : 29,434,948.56 = 5,050,295.40 : x - Step 2: Convert to fraction form
19,623,432.96/29,434,948.56 = 5,050,295.40/x - Step 3: Cross multiply
19,623,432.96x = 29,434,948.56 × 5,050,295.40 - Step 4: Simplify right side
19,623,432.96x = 148,655,185,311,804.62 - Step 5: Solve for x
x = 148,655,185,311,804.62/19,623,432.96 - Step 6: Final answer
x = 7,575,391.40
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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.