Finding the Fourth Proportional to 22,879,248.98, 31,565,681.70 and 12,954,777.80
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Solution
The fourth proportional to 22,879,248.98, 31,565,681.70 and 12,954,777.80 is: 17,873,243.69
Step by Step Solution
- Step 1: Write the proportion equation
22,879,248.98 : 31,565,681.70 = 12,954,777.80 : x - Step 2: Convert to fraction form
22,879,248.98/31,565,681.70 = 12,954,777.80/x - Step 3: Cross multiply
22,879,248.98x = 31,565,681.70 × 12,954,777.80 - Step 4: Simplify right side
22,879,248.98x = 408,926,392,529,026.25 - Step 5: Solve for x
x = 408,926,392,529,026.25/22,879,248.98 - Step 6: Final answer
x = 17,873,243.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.