Finding the Fourth Proportional to 30,497,994.72, 42,087,963.99 and 16,559,937.24
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Solution
The fourth proportional to 30,497,994.72, 42,087,963.99 and 16,559,937.24 is: 22,853,110.46
Step by Step Solution
- Step 1: Write the proportion equation
30,497,994.72 : 42,087,963.99 = 16,559,937.24 : x - Step 2: Convert to fraction form
30,497,994.72/42,087,963.99 = 16,559,937.24/x - Step 3: Cross multiply
30,497,994.72x = 42,087,963.99 × 16,559,937.24 - Step 4: Simplify right side
30,497,994.72x = 696,974,042,138,049.88 - Step 5: Solve for x
x = 696,974,042,138,049.88/30,497,994.72 - Step 6: Final answer
x = 22,853,110.46
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1.5x scale
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.