Finding the Fourth Proportional to 61,012,862.74, 91,519,264.95 and 15,574,642.66
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Solution
The fourth proportional to 61,012,862.74, 91,519,264.95 and 15,574,642.66 is: 23,361,956.55
Step by Step Solution
- Step 1: Write the proportion equation
61,012,862.74 : 91,519,264.95 = 15,574,642.66 : x - Step 2: Convert to fraction form
61,012,862.74/91,519,264.95 = 15,574,642.66/x - Step 3: Cross multiply
61,012,862.74x = 91,519,264.95 × 15,574,642.66 - Step 4: Simplify right side
61,012,862.74x = 1,425,379,848,102,112.75 - Step 5: Solve for x
x = 1,425,379,848,102,112.75/61,012,862.74 - Step 6: Final answer
x = 23,361,956.55
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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.