Finding the Fourth Proportional to 11,429,131.68, 15,771,695.76 and 6,272,503.20
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Solution
The fourth proportional to 11,429,131.68, 15,771,695.76 and 6,272,503.20 is: 8,655,776.74
Step by Step Solution
- Step 1: Write the proportion equation
11,429,131.68 : 15,771,695.76 = 6,272,503.20 : x - Step 2: Convert to fraction form
11,429,131.68/15,771,695.76 = 6,272,503.20/x - Step 3: Cross multiply
11,429,131.68x = 15,771,695.76 × 6,272,503.20 - Step 4: Simplify right side
11,429,131.68x = 98,928,012,124,026.44 - Step 5: Solve for x
x = 98,928,012,124,026.44/11,429,131.68 - Step 6: Final answer
x = 8,655,776.74
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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.