Finding the Fourth Proportional to 61,012,457.84, 91,518,108.20 and 15,573,625.20
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Solution
The fourth proportional to 61,012,457.84, 91,518,108.20 and 15,573,625.20 is: 23,360,290.12
Step by Step Solution
- Step 1: Write the proportion equation
61,012,457.84 : 91,518,108.20 = 15,573,625.20 : x - Step 2: Convert to fraction form
61,012,457.84/91,518,108.20 = 15,573,625.20/x - Step 3: Cross multiply
61,012,457.84x = 91,518,108.20 × 15,573,625.20 - Step 4: Simplify right side
61,012,457.84x = 1,425,268,716,119,846.50 - Step 5: Solve for x
x = 1,425,268,716,119,846.50/61,012,457.84 - Step 6: Final answer
x = 23,360,290.12
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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.