Finding the Fourth Proportional to 16,402,400.28, 22,630,769.55 and 9,432,699.12
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Solution
The fourth proportional to 16,402,400.28, 22,630,769.55 and 9,432,699.12 is: 13,014,512.29
Step by Step Solution
- Step 1: Write the proportion equation
16,402,400.28 : 22,630,769.55 = 9,432,699.12 : x - Step 2: Convert to fraction form
16,402,400.28/22,630,769.55 = 9,432,699.12/x - Step 3: Cross multiply
16,402,400.28x = 22,630,769.55 × 9,432,699.12 - Step 4: Simplify right side
16,402,400.28x = 213,469,240,019,207.78 - Step 5: Solve for x
x = 213,469,240,019,207.78/16,402,400.28 - Step 6: Final answer
x = 13,014,512.29
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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.