Finding the Fourth Proportional to 16,639,955.88, 24,962,615.90 and 5,125,417.80
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Solution
The fourth proportional to 16,639,955.88, 24,962,615.90 and 5,125,417.80 is: 7,688,952.83
Step by Step Solution
- Step 1: Write the proportion equation
16,639,955.88 : 24,962,615.90 = 5,125,417.80 : x - Step 2: Convert to fraction form
16,639,955.88/24,962,615.90 = 5,125,417.80/x - Step 3: Cross multiply
16,639,955.88x = 24,962,615.90 × 5,125,417.80 - Step 4: Simplify right side
16,639,955.88x = 127,943,835,868,423 - Step 5: Solve for x
x = 127,943,835,868,423/16,639,955.88 - Step 6: Final answer
x = 7,688,952.83
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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.