Finding the Fourth Proportional to 16,128,184.68, 22,256,885.16 and 8,884,840.68
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Solution
The fourth proportional to 16,128,184.68, 22,256,885.16 and 8,884,840.68 is: 12,261,074.80
Step by Step Solution
- Step 1: Write the proportion equation
16,128,184.68 : 22,256,885.16 = 8,884,840.68 : x - Step 2: Convert to fraction form
16,128,184.68/22,256,885.16 = 8,884,840.68/x - Step 3: Cross multiply
16,128,184.68x = 22,256,885.16 × 8,884,840.68 - Step 4: Simplify right side
16,128,184.68x = 197,748,878,679,656.31 - Step 5: Solve for x
x = 197,748,878,679,656.31/16,128,184.68 - Step 6: Final answer
x = 12,261,074.80
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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.