Finding the Fourth Proportional to 15,134,629.68, 22,709,916.14 and 8,749,366.47
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Solution
The fourth proportional to 15,134,629.68, 22,709,916.14 and 8,749,366.47 is: 13,128,658.12
Step by Step Solution
- Step 1: Write the proportion equation
15,134,629.68 : 22,709,916.14 = 8,749,366.47 : x - Step 2: Convert to fraction form
15,134,629.68/22,709,916.14 = 8,749,366.47/x - Step 3: Cross multiply
15,134,629.68x = 22,709,916.14 × 8,749,366.47 - Step 4: Simplify right side
15,134,629.68x = 198,697,378,768,081.03 - Step 5: Solve for x
x = 198,697,378,768,081.03/15,134,629.68 - Step 6: Final answer
x = 13,128,658.12
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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.