Finding the Fourth Proportional to 19,064,148.48, 26,321,193.36 and 14,646,005.28
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Solution
The fourth proportional to 19,064,148.48, 26,321,193.36 and 14,646,005.28 is: 20,221,219.81
Step by Step Solution
- Step 1: Write the proportion equation
19,064,148.48 : 26,321,193.36 = 14,646,005.28 : x - Step 2: Convert to fraction form
19,064,148.48/26,321,193.36 = 14,646,005.28/x - Step 3: Cross multiply
19,064,148.48x = 26,321,193.36 × 14,646,005.28 - Step 4: Simplify right side
19,064,148.48x = 385,500,336,926,460.94 - Step 5: Solve for x
x = 385,500,336,926,460.94/19,064,148.48 - Step 6: Final answer
x = 20,221,219.81
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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.