Finding the Fourth Proportional to 10,369,973.70, 15,554,960.55 and 9,740,117.70
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Solution
The fourth proportional to 10,369,973.70, 15,554,960.55 and 9,740,117.70 is: 14,610,176.55
Step by Step Solution
- Step 1: Write the proportion equation
10,369,973.70 : 15,554,960.55 = 9,740,117.70 : x - Step 2: Convert to fraction form
10,369,973.70/15,554,960.55 = 9,740,117.70/x - Step 3: Cross multiply
10,369,973.70x = 15,554,960.55 × 9,740,117.70 - Step 4: Simplify right side
10,369,973.70x = 151,507,146,575,856.72 - Step 5: Solve for x
x = 151,507,146,575,856.72/10,369,973.70 - Step 6: Final answer
x = 14,610,176.55
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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.