Finding the Fourth Proportional to 16,465,403.10, 24,712,101.45 and 7,381,479.90
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Solution
The fourth proportional to 16,465,403.10, 24,712,101.45 and 7,381,479.90 is: 11,078,494.65
Step by Step Solution
- Step 1: Write the proportion equation
16,465,403.10 : 24,712,101.45 = 7,381,479.90 : x - Step 2: Convert to fraction form
16,465,403.10/24,712,101.45 = 7,381,479.90/x - Step 3: Cross multiply
16,465,403.10x = 24,712,101.45 × 7,381,479.90 - Step 4: Simplify right side
16,465,403.10x = 182,411,880,139,935.84 - Step 5: Solve for x
x = 182,411,880,139,935.84/16,465,403.10 - Step 6: Final answer
x = 11,078,494.65
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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.