Finding the Fourth Proportional to 17,518,869.64, 26,272,217.58 and 9,749,639.08
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Solution
The fourth proportional to 17,518,869.64, 26,272,217.58 and 9,749,639.08 is: 14,621,071.14
Step by Step Solution
- Step 1: Write the proportion equation
17,518,869.64 : 26,272,217.58 = 9,749,639.08 : x - Step 2: Convert to fraction form
17,518,869.64/26,272,217.58 = 9,749,639.08/x - Step 3: Cross multiply
17,518,869.64x = 26,272,217.58 × 9,749,639.08 - Step 4: Simplify right side
17,518,869.64x = 256,144,639,236,231 - Step 5: Solve for x
x = 256,144,639,236,231/17,518,869.64 - Step 6: Final answer
x = 14,621,071.14
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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.