Finding the Fourth Proportional to 19,144,466.30, 26,429,119.41 and 14,783,763.26
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Solution
The fourth proportional to 19,144,466.30, 26,429,119.41 and 14,783,763.26 is: 20,409,127.02
Step by Step Solution
- Step 1: Write the proportion equation
19,144,466.30 : 26,429,119.41 = 14,783,763.26 : x - Step 2: Convert to fraction form
19,144,466.30/26,429,119.41 = 14,783,763.26/x - Step 3: Cross multiply
19,144,466.30x = 26,429,119.41 × 14,783,763.26 - Step 4: Simplify right side
19,144,466.30x = 390,721,844,395,565.31 - Step 5: Solve for x
x = 390,721,844,395,565.31/19,144,466.30 - Step 6: Final answer
x = 20,409,127.02
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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.