Finding the Fourth Proportional to 40,237,321.32, 55,528,844.65 and 22,599,332.08
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Solution
The fourth proportional to 40,237,321.32, 55,528,844.65 and 22,599,332.08 is: 31,187,831.57
Step by Step Solution
- Step 1: Write the proportion equation
40,237,321.32 : 55,528,844.65 = 22,599,332.08 : x - Step 2: Convert to fraction form
40,237,321.32/55,528,844.65 = 22,599,332.08/x - Step 3: Cross multiply
40,237,321.32x = 55,528,844.65 × 22,599,332.08 - Step 4: Simplify right side
40,237,321.32x = 1,254,914,799,995,600 - Step 5: Solve for x
x = 1,254,914,799,995,600/40,237,321.32 - Step 6: Final answer
x = 31,187,831.57
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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.