Finding the Fourth Proportional to 26,177,724.17, 36,129,186.80 and 19,887,901.24
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Solution
The fourth proportional to 26,177,724.17, 36,129,186.80 and 19,887,901.24 is: 27,448,287.48
Step by Step Solution
- Step 1: Write the proportion equation
26,177,724.17 : 36,129,186.80 = 19,887,901.24 : x - Step 2: Convert to fraction form
26,177,724.17/36,129,186.80 = 19,887,901.24/x - Step 3: Cross multiply
26,177,724.17x = 36,129,186.80 × 19,887,901.24 - Step 4: Simplify right side
26,177,724.17x = 718,533,698,770,149.25 - Step 5: Solve for x
x = 718,533,698,770,149.25/26,177,724.17 - Step 6: Final answer
x = 27,448,287.48
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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.