Finding the Fourth Proportional to 14,688,139.60, 22,017,046.20 and 6,604,987.60
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Solution
The fourth proportional to 14,688,139.60, 22,017,046.20 and 6,604,987.60 is: 9,900,662.79
Step by Step Solution
- Step 1: Write the proportion equation
14,688,139.60 : 22,017,046.20 = 6,604,987.60 : x - Step 2: Convert to fraction form
14,688,139.60/22,017,046.20 = 6,604,987.60/x - Step 3: Cross multiply
14,688,139.60x = 22,017,046.20 × 6,604,987.60 - Step 4: Simplify right side
14,688,139.60x = 145,422,317,139,627.09 - Step 5: Solve for x
x = 145,422,317,139,627.09/14,688,139.60 - Step 6: Final answer
x = 9,900,662.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.