Finding the Fourth Proportional to 10,657,430.76, 15,991,395.06 and 4,976,829.48
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Solution
The fourth proportional to 10,657,430.76, 15,991,395.06 and 4,976,829.48 is: 7,467,695.37
Step by Step Solution
- Step 1: Write the proportion equation
10,657,430.76 : 15,991,395.06 = 4,976,829.48 : x - Step 2: Convert to fraction form
10,657,430.76/15,991,395.06 = 4,976,829.48/x - Step 3: Cross multiply
10,657,430.76x = 15,991,395.06 × 4,976,829.48 - Step 4: Simplify right side
10,657,430.76x = 79,586,446,360,934.38 - Step 5: Solve for x
x = 79,586,446,360,934.38/10,657,430.76 - Step 6: Final answer
x = 7,467,695.37
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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.