Finding the Fourth Proportional to 11,356,225.21, 15,671,511.06 and 6,199,586.75
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Solution
The fourth proportional to 11,356,225.21, 15,671,511.06 and 6,199,586.75 is: 8,555,386.19
Step by Step Solution
- Step 1: Write the proportion equation
11,356,225.21 : 15,671,511.06 = 6,199,586.75 : x - Step 2: Convert to fraction form
11,356,225.21/15,671,511.06 = 6,199,586.75/x - Step 3: Cross multiply
11,356,225.21x = 15,671,511.06 × 6,199,586.75 - Step 4: Simplify right side
11,356,225.21x = 97,156,892,320,054.45 - Step 5: Solve for x
x = 97,156,892,320,054.45/11,356,225.21 - Step 6: Final answer
x = 8,555,386.19
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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.