Finding the Fourth Proportional to 7,518,288.24, 11,277,432.36 and 1,838,445.12
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Solution
The fourth proportional to 7,518,288.24, 11,277,432.36 and 1,838,445.12 is: 2,757,667.68
Step by Step Solution
- Step 1: Write the proportion equation
7,518,288.24 : 11,277,432.36 = 1,838,445.12 : x - Step 2: Convert to fraction form
7,518,288.24/11,277,432.36 = 1,838,445.12/x - Step 3: Cross multiply
7,518,288.24x = 11,277,432.36 × 1,838,445.12 - Step 4: Simplify right side
7,518,288.24x = 20,732,940,488,372.08 - Step 5: Solve for x
x = 20,732,940,488,372.08/7,518,288.24 - Step 6: Final answer
x = 2,757,667.68
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1.5x scale
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.