Finding the Fourth Proportional to 21,552,362.08, 29,742,026.88 and 11,762,726.76
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Solution
The fourth proportional to 21,552,362.08, 29,742,026.88 and 11,762,726.76 is: 16,232,435.88
Step by Step Solution
- Step 1: Write the proportion equation
21,552,362.08 : 29,742,026.88 = 11,762,726.76 : x - Step 2: Convert to fraction form
21,552,362.08/29,742,026.88 = 11,762,726.76/x - Step 3: Cross multiply
21,552,362.08x = 29,742,026.88 × 11,762,726.76 - Step 4: Simplify right side
21,552,362.08x = 349,847,335,478,015.31 - Step 5: Solve for x
x = 349,847,335,478,015.31/21,552,362.08 - Step 6: Final answer
x = 16,232,435.88
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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.