Finding the Fourth Proportional to 10,400,971.70, 15,601,457.55 and 4,732,267.70
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Solution
The fourth proportional to 10,400,971.70, 15,601,457.55 and 4,732,267.70 is: 7,098,401.55
Step by Step Solution
- Step 1: Write the proportion equation
10,400,971.70 : 15,601,457.55 = 4,732,267.70 : x - Step 2: Convert to fraction form
10,400,971.70/15,601,457.55 = 4,732,267.70/x - Step 3: Cross multiply
10,400,971.70x = 15,601,457.55 × 4,732,267.70 - Step 4: Simplify right side
10,400,971.70x = 73,830,273,636,786.14 - Step 5: Solve for x
x = 73,830,273,636,786.14/10,400,971.70 - Step 6: Final answer
x = 7,098,401.55
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1.5x scale
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.