Finding the Fourth Proportional to 7,873,831.41, 10,865,887.49 and 4,252,159.41
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Solution
The fourth proportional to 7,873,831.41, 10,865,887.49 and 4,252,159.41 is: 5,867,980.06
Step by Step Solution
- Step 1: Write the proportion equation
7,873,831.41 : 10,865,887.49 = 4,252,159.41 : x - Step 2: Convert to fraction form
7,873,831.41/10,865,887.49 = 4,252,159.41/x - Step 3: Cross multiply
7,873,831.41x = 10,865,887.49 × 4,252,159.41 - Step 4: Simplify right side
7,873,831.41x = 46,203,485,708,488.10 - Step 5: Solve for x
x = 46,203,485,708,488.10/7,873,831.41 - Step 6: Final answer
x = 5,867,980.06
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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.