Finding the Fourth Proportional to 9,977,416.20, 14,966,124.30 and 7,585,931.70
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Solution
The fourth proportional to 9,977,416.20, 14,966,124.30 and 7,585,931.70 is: 11,378,897.55
Step by Step Solution
- Step 1: Write the proportion equation
9,977,416.20 : 14,966,124.30 = 7,585,931.70 : x - Step 2: Convert to fraction form
9,977,416.20/14,966,124.30 = 7,585,931.70/x - Step 3: Cross multiply
9,977,416.20x = 14,966,124.30 × 7,585,931.70 - Step 4: Simplify right side
9,977,416.20x = 113,531,996,753,510.31 - Step 5: Solve for x
x = 113,531,996,753,510.31/9,977,416.20 - Step 6: Final answer
x = 11,378,897.55
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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.