Finding the Fourth Proportional to 11,671,420.88, 16,109,248.20 and 6,844,080.08
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Solution
The fourth proportional to 11,671,420.88, 16,109,248.20 and 6,844,080.08 is: 9,446,406.38
Step by Step Solution
- Step 1: Write the proportion equation
11,671,420.88 : 16,109,248.20 = 6,844,080.08 : x - Step 2: Convert to fraction form
11,671,420.88/16,109,248.20 = 6,844,080.08/x - Step 3: Cross multiply
11,671,420.88x = 16,109,248.20 × 6,844,080.08 - Step 4: Simplify right side
11,671,420.88x = 110,252,984,709,395.86 - Step 5: Solve for x
x = 110,252,984,709,395.86/11,671,420.88 - Step 6: Final answer
x = 9,446,406.38
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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.