Finding the Fourth Proportional to 53,354,749.76, 73,629,603.81 and 28,908,463.76
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Solution
The fourth proportional to 53,354,749.76, 73,629,603.81 and 28,908,463.76 is: 39,893,706.61
Step by Step Solution
- Step 1: Write the proportion equation
53,354,749.76 : 73,629,603.81 = 28,908,463.76 : x - Step 2: Convert to fraction form
53,354,749.76/73,629,603.81 = 28,908,463.76/x - Step 3: Cross multiply
53,354,749.76x = 73,629,603.81 × 28,908,463.76 - Step 4: Simplify right side
53,354,749.76x = 2,128,518,733,036,395 - Step 5: Solve for x
x = 2,128,518,733,036,395/53,354,749.76 - Step 6: Final answer
x = 39,893,706.61
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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.