Finding the Fourth Proportional to 18,279,387.84, 27,255,659.34 and 17,777,176.10
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Solution
The fourth proportional to 18,279,387.84, 27,255,659.34 and 17,777,176.10 is: 26,506,831.63
Step by Step Solution
- Step 1: Write the proportion equation
18,279,387.84 : 27,255,659.34 = 17,777,176.10 : x - Step 2: Convert to fraction form
18,279,387.84/27,255,659.34 = 17,777,176.10/x - Step 3: Cross multiply
18,279,387.84x = 27,255,659.34 × 17,777,176.10 - Step 4: Simplify right side
18,279,387.84x = 484,528,655,808,789.81 - Step 5: Solve for x
x = 484,528,655,808,789.81/18,279,387.84 - Step 6: Final answer
x = 26,506,831.63
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.