Finding the Fourth Proportional to 19,878,983, 27,433,230.18 and 12,038,355.08
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Solution
The fourth proportional to 19,878,983, 27,433,230.18 and 12,038,355.08 is: 16,613,071.50
Step by Step Solution
- Step 1: Write the proportion equation
19,878,983 : 27,433,230.18 = 12,038,355.08 : x - Step 2: Convert to fraction form
19,878,983/27,433,230.18 = 12,038,355.08/x - Step 3: Cross multiply
19,878,983x = 27,433,230.18 × 12,038,355.08 - Step 4: Simplify right side
19,878,983x = 330,250,965,898,212.31 - Step 5: Solve for x
x = 330,250,965,898,212.31/19,878,983 - Step 6: Final answer
x = 16,613,071.50
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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.