Finding the Fourth Proportional to 10,749,397.14, 16,123,995.36 and 4,358,130.18
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Solution
The fourth proportional to 10,749,397.14, 16,123,995.36 and 4,358,130.18 is: 6,537,154.59
Step by Step Solution
- Step 1: Write the proportion equation
10,749,397.14 : 16,123,995.36 = 4,358,130.18 : x - Step 2: Convert to fraction form
10,749,397.14/16,123,995.36 = 4,358,130.18/x - Step 3: Cross multiply
10,749,397.14x = 16,123,995.36 × 4,358,130.18 - Step 4: Simplify right side
10,749,397.14x = 70,270,470,800,595.96 - Step 5: Solve for x
x = 70,270,470,800,595.96/10,749,397.14 - Step 6: Final answer
x = 6,537,154.59
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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.