Finding the Fourth Proportional to 10,640,804.84, 15,963,448.95 and 3,451,777.41
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Solution
The fourth proportional to 10,640,804.84, 15,963,448.95 and 3,451,777.41 is: 5,178,393.30
Step by Step Solution
- Step 1: Write the proportion equation
10,640,804.84 : 15,963,448.95 = 3,451,777.41 : x - Step 2: Convert to fraction form
10,640,804.84/15,963,448.95 = 3,451,777.41/x - Step 3: Cross multiply
10,640,804.84x = 15,963,448.95 × 3,451,777.41 - Step 4: Simplify right side
10,640,804.84x = 55,102,272,471,298.22 - Step 5: Solve for x
x = 55,102,272,471,298.22/10,640,804.84 - Step 6: Final answer
x = 5,178,393.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.