Finding the Fourth Proportional to 9,919,138.10, 14,856,054.55 and 4,735,393.99
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Solution
The fourth proportional to 9,919,138.10, 14,856,054.55 and 4,735,393.99 is: 7,092,276.64
Step by Step Solution
- Step 1: Write the proportion equation
9,919,138.10 : 14,856,054.55 = 4,735,393.99 : x - Step 2: Convert to fraction form
9,919,138.10/14,856,054.55 = 4,735,393.99/x - Step 3: Cross multiply
9,919,138.10x = 14,856,054.55 × 4,735,393.99 - Step 4: Simplify right side
9,919,138.10x = 70,349,271,382,203.53 - Step 5: Solve for x
x = 70,349,271,382,203.53/9,919,138.10 - Step 6: Final answer
x = 7,092,276.64
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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.