Finding the Fourth Proportional to 9,320,207.13, 12,855,260.54 and 6,221,167.98
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Solution
The fourth proportional to 9,320,207.13, 12,855,260.54 and 6,221,167.98 is: 8,580,789.47
Step by Step Solution
- Step 1: Write the proportion equation
9,320,207.13 : 12,855,260.54 = 6,221,167.98 : x - Step 2: Convert to fraction form
9,320,207.13/12,855,260.54 = 6,221,167.98/x - Step 3: Cross multiply
9,320,207.13x = 12,855,260.54 × 6,221,167.98 - Step 4: Simplify right side
9,320,207.13x = 79,974,735,214,899.67 - Step 5: Solve for x
x = 79,974,735,214,899.67/9,320,207.13 - Step 6: Final answer
x = 8,580,789.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.