Finding the Fourth Proportional to 19,129,826.90, 28,700,330.87 and 6,175,673.69
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Solution
The fourth proportional to 19,129,826.90, 28,700,330.87 and 6,175,673.69 is: 9,265,315.31
Step by Step Solution
- Step 1: Write the proportion equation
19,129,826.90 : 28,700,330.87 = 6,175,673.69 : x - Step 2: Convert to fraction form
19,129,826.90/28,700,330.87 = 6,175,673.69/x - Step 3: Cross multiply
19,129,826.90x = 28,700,330.87 × 6,175,673.69 - Step 4: Simplify right side
19,129,826.90x = 177,243,878,120,091.31 - Step 5: Solve for x
x = 177,243,878,120,091.31/19,129,826.90 - Step 6: Final answer
x = 9,265,315.31
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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.