Finding the Fourth Proportional to 8,899,342.69, 12,281,351.99 and 5,031,780.81
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Solution
The fourth proportional to 8,899,342.69, 12,281,351.99 and 5,031,780.81 is: 6,944,004.00
Step by Step Solution
- Step 1: Write the proportion equation
8,899,342.69 : 12,281,351.99 = 5,031,780.81 : x - Step 2: Convert to fraction form
8,899,342.69/12,281,351.99 = 5,031,780.81/x - Step 3: Cross multiply
8,899,342.69x = 12,281,351.99 × 5,031,780.81 - Step 4: Simplify right side
8,899,342.69x = 61,797,071,264,137.30 - Step 5: Solve for x
x = 61,797,071,264,137.30/8,899,342.69 - Step 6: Final answer
x = 6,944,004.00
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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.