Finding the Fourth Proportional to 10,475,722.97, 15,709,002.68 and 5,285,138.18
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Solution
The fourth proportional to 10,475,722.97, 15,709,002.68 and 5,285,138.18 is: 7,925,395.70
Step by Step Solution
- Step 1: Write the proportion equation
10,475,722.97 : 15,709,002.68 = 5,285,138.18 : x - Step 2: Convert to fraction form
10,475,722.97/15,709,002.68 = 5,285,138.18/x - Step 3: Cross multiply
10,475,722.97x = 15,709,002.68 × 5,285,138.18 - Step 4: Simplify right side
10,475,722.97x = 83,024,249,728,819.62 - Step 5: Solve for x
x = 83,024,249,728,819.62/10,475,722.97 - Step 6: Final answer
x = 7,925,395.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.