Finding the Fourth Proportional to 10,508,690.79, 15,763,702.14 and 4,442,291.91
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Solution
The fourth proportional to 10,508,690.79, 15,763,702.14 and 4,442,291.91 is: 6,663,719.38
Step by Step Solution
- Step 1: Write the proportion equation
10,508,690.79 : 15,763,702.14 = 4,442,291.91 : x - Step 2: Convert to fraction form
10,508,690.79/15,763,702.14 = 4,442,291.91/x - Step 3: Cross multiply
10,508,690.79x = 15,763,702.14 × 4,442,291.91 - Step 4: Simplify right side
10,508,690.79x = 70,026,966,488,171.70 - Step 5: Solve for x
x = 70,026,966,488,171.70/10,508,690.79 - Step 6: Final answer
x = 6,663,719.38
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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.