Finding the Fourth Proportional to 10,430,116.70, 15,645,175.05 and 10,430,116.70
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Solution
The fourth proportional to 10,430,116.70, 15,645,175.05 and 10,430,116.70 is: 15,645,175.05
Step by Step Solution
- Step 1: Write the proportion equation
10,430,116.70 : 15,645,175.05 = 10,430,116.70 : x - Step 2: Convert to fraction form
10,430,116.70/15,645,175.05 = 10,430,116.70/x - Step 3: Cross multiply
10,430,116.70x = 15,645,175.05 × 10,430,116.70 - Step 4: Simplify right side
10,430,116.70x = 163,181,001,563,428.34 - Step 5: Solve for x
x = 163,181,001,563,428.34/10,430,116.70 - Step 6: Final answer
x = 15,645,175.05
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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.