Finding the Fourth Proportional to 53,281,249.07, 73,528,122.81 and 28,834,963.07
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Solution
The fourth proportional to 53,281,249.07, 73,528,122.81 and 28,834,963.07 is: 39,792,248.55
Step by Step Solution
- Step 1: Write the proportion equation
53,281,249.07 : 73,528,122.81 = 28,834,963.07 : x - Step 2: Convert to fraction form
53,281,249.07/73,528,122.81 = 28,834,963.07/x - Step 3: Cross multiply
53,281,249.07x = 73,528,122.81 × 28,834,963.07 - Step 4: Simplify right side
53,281,249.07x = 2,120,180,705,832,774.75 - Step 5: Solve for x
x = 2,120,180,705,832,774.75/53,281,249.07 - Step 6: Final answer
x = 39,792,248.55
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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.