Finding the Fourth Proportional to 10,823,710.14, 14,931,057.08 and 6,692,420.66
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Solution
The fourth proportional to 10,823,710.14, 14,931,057.08 and 6,692,420.66 is: 9,232,039.07
Step by Step Solution
- Step 1: Write the proportion equation
10,823,710.14 : 14,931,057.08 = 6,692,420.66 : x - Step 2: Convert to fraction form
10,823,710.14/14,931,057.08 = 6,692,420.66/x - Step 3: Cross multiply
10,823,710.14x = 14,931,057.08 × 6,692,420.66 - Step 4: Simplify right side
10,823,710.14x = 99,924,914,877,831.28 - Step 5: Solve for x
x = 99,924,914,877,831.28/10,823,710.14 - Step 6: Final answer
x = 9,232,039.07
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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.