Finding the Fourth Proportional to 12,255,943.68, 18,386,831.52 and 6,175,733.76
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Solution
The fourth proportional to 12,255,943.68, 18,386,831.52 and 6,175,733.76 is: 9,265,070.00
Step by Step Solution
- Step 1: Write the proportion equation
12,255,943.68 : 18,386,831.52 = 6,175,733.76 : x - Step 2: Convert to fraction form
12,255,943.68/18,386,831.52 = 6,175,733.76/x - Step 3: Cross multiply
12,255,943.68x = 18,386,831.52 × 6,175,733.76 - Step 4: Simplify right side
12,255,943.68x = 113,552,176,157,496.11 - Step 5: Solve for x
x = 113,552,176,157,496.11/12,255,943.68 - Step 6: Final answer
x = 9,265,070.00
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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.