Finding the Fourth Proportional to 15,371,395.56, 23,058,283.98 and 5,136,290.76
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Solution
The fourth proportional to 15,371,395.56, 23,058,283.98 and 5,136,290.76 is: 7,704,833.99
Step by Step Solution
- Step 1: Write the proportion equation
15,371,395.56 : 23,058,283.98 = 5,136,290.76 : x - Step 2: Convert to fraction form
15,371,395.56/23,058,283.98 = 5,136,290.76/x - Step 3: Cross multiply
15,371,395.56x = 23,058,283.98 × 5,136,290.76 - Step 4: Simplify right side
15,371,395.56x = 118,434,050,947,930.02 - Step 5: Solve for x
x = 118,434,050,947,930.02/15,371,395.56 - Step 6: Final answer
x = 7,704,833.99
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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.