Finding the Fourth Proportional to 26,411,252.80, 36,444,161.64 and 15,395,246.32
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Solution
The fourth proportional to 26,411,252.80, 36,444,161.64 and 15,395,246.32 is: 21,243,477.15
Step by Step Solution
- Step 1: Write the proportion equation
26,411,252.80 : 36,444,161.64 = 15,395,246.32 : x - Step 2: Convert to fraction form
26,411,252.80/36,444,161.64 = 15,395,246.32/x - Step 3: Cross multiply
26,411,252.80x = 36,444,161.64 × 15,395,246.32 - Step 4: Simplify right side
26,411,252.80x = 561,066,845,373,695.19 - Step 5: Solve for x
x = 561,066,845,373,695.19/26,411,252.80 - Step 6: Final answer
x = 21,243,477.15
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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.