Finding the Fourth Proportional to 16,403,899.30, 24,605,848.95 and 15,459,115.30
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Solution
The fourth proportional to 16,403,899.30, 24,605,848.95 and 15,459,115.30 is: 23,188,672.95
Step by Step Solution
- Step 1: Write the proportion equation
16,403,899.30 : 24,605,848.95 = 15,459,115.30 : x - Step 2: Convert to fraction form
16,403,899.30/24,605,848.95 = 15,459,115.30/x - Step 3: Cross multiply
16,403,899.30x = 24,605,848.95 × 15,459,115.30 - Step 4: Simplify right side
16,403,899.30x = 380,384,655,972,433.94 - Step 5: Solve for x
x = 380,384,655,972,433.94/16,403,899.30 - Step 6: Final answer
x = 23,188,672.95
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1.5x scale
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.