Finding the Fourth Proportional to 40,570,977.25, 60,855,815.93 and 12,904,492.99
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Solution
The fourth proportional to 40,570,977.25, 60,855,815.93 and 12,904,492.99 is: 19,356,532.76
Step by Step Solution
- Step 1: Write the proportion equation
40,570,977.25 : 60,855,815.93 = 12,904,492.99 : x - Step 2: Convert to fraction form
40,570,977.25/60,855,815.93 = 12,904,492.99/x - Step 3: Cross multiply
40,570,977.25x = 60,855,815.93 × 12,904,492.99 - Step 4: Simplify right side
40,570,977.25x = 785,313,450,069,415.38 - Step 5: Solve for x
x = 785,313,450,069,415.38/40,570,977.25 - Step 6: Final answer
x = 19,356,532.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.