Finding the Fourth Proportional to 52,490,599.80, 78,735,899.70 and 18,399,643.80
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Solution
The fourth proportional to 52,490,599.80, 78,735,899.70 and 18,399,643.80 is: 27,599,465.70
Step by Step Solution
- Step 1: Write the proportion equation
52,490,599.80 : 78,735,899.70 = 18,399,643.80 : x - Step 2: Convert to fraction form
52,490,599.80/78,735,899.70 = 18,399,643.80/x - Step 3: Cross multiply
52,490,599.80x = 78,735,899.70 × 18,399,643.80 - Step 4: Simplify right side
52,490,599.80x = 1,448,712,508,752,527 - Step 5: Solve for x
x = 1,448,712,508,752,527/52,490,599.80 - Step 6: Final answer
x = 27,599,465.70
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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.