Finding the Fourth Proportional to 19,208,129.74, 28,810,072.52 and 4,831,203.18
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Solution
The fourth proportional to 19,208,129.74, 28,810,072.52 and 4,831,203.18 is: 7,246,271.02
Step by Step Solution
- Step 1: Write the proportion equation
19,208,129.74 : 28,810,072.52 = 4,831,203.18 : x - Step 2: Convert to fraction form
19,208,129.74/28,810,072.52 = 4,831,203.18/x - Step 3: Cross multiply
19,208,129.74x = 28,810,072.52 × 4,831,203.18 - Step 4: Simplify right side
19,208,129.74x = 139,187,313,842,682.27 - Step 5: Solve for x
x = 139,187,313,842,682.27/19,208,129.74 - Step 6: Final answer
x = 7,246,271.02
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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.