Finding the Fourth Proportional to 9,186,289.97, 13,779,470.99 and 3,721,488.14
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Solution
The fourth proportional to 9,186,289.97, 13,779,470.99 and 3,721,488.14 is: 5,582,246.82
Step by Step Solution
- Step 1: Write the proportion equation
9,186,289.97 : 13,779,470.99 = 3,721,488.14 : x - Step 2: Convert to fraction form
9,186,289.97/13,779,470.99 = 3,721,488.14/x - Step 3: Cross multiply
9,186,289.97x = 13,779,470.99 × 3,721,488.14 - Step 4: Simplify right side
9,186,289.97x = 51,280,137,908,511.45 - Step 5: Solve for x
x = 51,280,137,908,511.45/9,186,289.97 - Step 6: Final answer
x = 5,582,246.82
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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.