Finding the Fourth Proportional to 10,413,598.08, 15,630,472.40 and 5,026,041.14
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Solution
The fourth proportional to 10,413,598.08, 15,630,472.40 and 5,026,041.14 is: 7,543,924.45
Step by Step Solution
- Step 1: Write the proportion equation
10,413,598.08 : 15,630,472.40 = 5,026,041.14 : x - Step 2: Convert to fraction form
10,413,598.08/15,630,472.40 = 5,026,041.14/x - Step 3: Cross multiply
10,413,598.08x = 15,630,472.40 × 5,026,041.14 - Step 4: Simplify right side
10,413,598.08x = 78,559,397,216,751.97 - Step 5: Solve for x
x = 78,559,397,216,751.97/10,413,598.08 - Step 6: Final answer
x = 7,543,924.45
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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.