Finding the Fourth Proportional to 14,434,264.65, 19,919,302.07 and 7,818,866.49
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Solution
The fourth proportional to 14,434,264.65, 19,919,302.07 and 7,818,866.49 is: 10,790,044.88
Step by Step Solution
- Step 1: Write the proportion equation
14,434,264.65 : 19,919,302.07 = 7,818,866.49 : x - Step 2: Convert to fraction form
14,434,264.65/19,919,302.07 = 7,818,866.49/x - Step 3: Cross multiply
14,434,264.65x = 19,919,302.07 × 7,818,866.49 - Step 4: Simplify right side
14,434,264.65x = 155,746,363,420,216.31 - Step 5: Solve for x
x = 155,746,363,420,216.31/14,434,264.65 - Step 6: Final answer
x = 10,790,044.88
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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.