Finding the Fourth Proportional to 10,237,585.55, 14,134,257.81 and 6,518,515.50
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Solution
The fourth proportional to 10,237,585.55, 14,134,257.81 and 6,518,515.50 is: 8,999,619.90
Step by Step Solution
- Step 1: Write the proportion equation
10,237,585.55 : 14,134,257.81 = 6,518,515.50 : x - Step 2: Convert to fraction form
10,237,585.55/14,134,257.81 = 6,518,515.50/x - Step 3: Cross multiply
10,237,585.55x = 14,134,257.81 × 6,518,515.50 - Step 4: Simplify right side
10,237,585.55x = 92,134,378,615,481.06 - Step 5: Solve for x
x = 92,134,378,615,481.06/10,237,585.55 - Step 6: Final answer
x = 8,999,619.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.