Finding the Fourth Proportional to 7,657,548.76, 10,567,487.10 and 4,219,913.08
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Solution
The fourth proportional to 7,657,548.76, 10,567,487.10 and 4,219,913.08 is: 5,823,518.52
Step by Step Solution
- Step 1: Write the proportion equation
7,657,548.76 : 10,567,487.10 = 4,219,913.08 : x - Step 2: Convert to fraction form
7,657,548.76/10,567,487.10 = 4,219,913.08/x - Step 3: Cross multiply
7,657,548.76x = 10,567,487.10 × 4,219,913.08 - Step 4: Simplify right side
7,657,548.76x = 44,593,877,036,021.27 - Step 5: Solve for x
x = 44,593,877,036,021.27/7,657,548.76 - Step 6: Final answer
x = 5,823,518.52
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Double scale
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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.