Finding the Fourth Proportional to 12,210,831.48, 18,299,027.19 and 6,748,386.12
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Solution
The fourth proportional to 12,210,831.48, 18,299,027.19 and 6,748,386.12 is: 10,113,062.43
Step by Step Solution
- Step 1: Write the proportion equation
12,210,831.48 : 18,299,027.19 = 6,748,386.12 : x - Step 2: Convert to fraction form
12,210,831.48/18,299,027.19 = 6,748,386.12/x - Step 3: Cross multiply
12,210,831.48x = 18,299,027.19 × 6,748,386.12 - Step 4: Simplify right side
12,210,831.48x = 123,488,901,098,498.61 - Step 5: Solve for x
x = 123,488,901,098,498.61/12,210,831.48 - Step 6: Final answer
x = 10,113,062.43
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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.