Finding the Fourth Proportional to 19,563,515.99, 26,996,403.18 and 10,861,686.29
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Solution
The fourth proportional to 19,563,515.99, 26,996,403.18 and 10,861,686.29 is: 14,988,433.70
Step by Step Solution
- Step 1: Write the proportion equation
19,563,515.99 : 26,996,403.18 = 10,861,686.29 : x - Step 2: Convert to fraction form
19,563,515.99/26,996,403.18 = 10,861,686.29/x - Step 3: Cross multiply
19,563,515.99x = 26,996,403.18 × 10,861,686.29 - Step 4: Simplify right side
19,563,515.99x = 293,226,462,346,632.88 - Step 5: Solve for x
x = 293,226,462,346,632.88/19,563,515.99 - Step 6: Final answer
x = 14,988,433.70
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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.