Finding the Fourth Proportional to 15,996,712.62, 22,076,031.30 and 9,029,086.95
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Solution
The fourth proportional to 15,996,712.62, 22,076,031.30 and 9,029,086.95 is: 12,460,460.52
Step by Step Solution
- Step 1: Write the proportion equation
15,996,712.62 : 22,076,031.30 = 9,029,086.95 : x - Step 2: Convert to fraction form
15,996,712.62/22,076,031.30 = 9,029,086.95/x - Step 3: Cross multiply
15,996,712.62x = 22,076,031.30 × 9,029,086.95 - Step 4: Simplify right side
15,996,712.62x = 199,326,406,118,621.53 - Step 5: Solve for x
x = 199,326,406,118,621.53/15,996,712.62 - Step 6: Final answer
x = 12,460,460.52
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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.