Finding the Fourth Proportional to 12,775,925.60, 19,132,395.60 and 8,492,904.80
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Solution
The fourth proportional to 12,775,925.60, 19,132,395.60 and 8,492,904.80 is: 12,718,422.09
Step by Step Solution
- Step 1: Write the proportion equation
12,775,925.60 : 19,132,395.60 = 8,492,904.80 : x - Step 2: Convert to fraction form
12,775,925.60/19,132,395.60 = 8,492,904.80/x - Step 3: Cross multiply
12,775,925.60x = 19,132,395.60 × 8,492,904.80 - Step 4: Simplify right side
12,775,925.60x = 162,489,614,426,738.91 - Step 5: Solve for x
x = 162,489,614,426,738.91/12,775,925.60 - Step 6: Final answer
x = 12,718,422.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.