Finding the Fourth Proportional to 14,587,418.70, 21,881,128.05 and 4,493,133.90
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Solution
The fourth proportional to 14,587,418.70, 21,881,128.05 and 4,493,133.90 is: 6,739,700.85
Step by Step Solution
- Step 1: Write the proportion equation
14,587,418.70 : 21,881,128.05 = 4,493,133.90 : x - Step 2: Convert to fraction form
14,587,418.70/21,881,128.05 = 4,493,133.90/x - Step 3: Cross multiply
14,587,418.70x = 21,881,128.05 × 4,493,133.90 - Step 4: Simplify right side
14,587,418.70x = 98,314,838,211,695.91 - Step 5: Solve for x
x = 98,314,838,211,695.91/14,587,418.70 - Step 6: Final answer
x = 6,739,700.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.