Finding the Fourth Proportional to 45,291,712.68, 67,935,671.33 and 14,585,612.36
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Solution
The fourth proportional to 45,291,712.68, 67,935,671.33 and 14,585,612.36 is: 21,877,807.40
Step by Step Solution
- Step 1: Write the proportion equation
45,291,712.68 : 67,935,671.33 = 14,585,612.36 : x - Step 2: Convert to fraction form
45,291,712.68/67,935,671.33 = 14,585,612.36/x - Step 3: Cross multiply
45,291,712.68x = 67,935,671.33 × 14,585,612.36 - Step 4: Simplify right side
45,291,712.68x = 990,883,367,023,139.25 - Step 5: Solve for x
x = 990,883,367,023,139.25/45,291,712.68 - Step 6: Final answer
x = 21,877,807.40
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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.