Finding the Fourth Proportional to 22,087,908.24, 30,465,727.74 and 19,142,396.70
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Solution
The fourth proportional to 22,087,908.24, 30,465,727.74 and 19,142,396.70 is: 26,403,000.22
Step by Step Solution
- Step 1: Write the proportion equation
22,087,908.24 : 30,465,727.74 = 19,142,396.70 : x - Step 2: Convert to fraction form
22,087,908.24/30,465,727.74 = 19,142,396.70/x - Step 3: Cross multiply
22,087,908.24x = 30,465,727.74 × 19,142,396.70 - Step 4: Simplify right side
22,087,908.24x = 583,187,046,153,274.38 - Step 5: Solve for x
x = 583,187,046,153,274.38/22,087,908.24 - Step 6: Final answer
x = 26,403,000.22
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1.5x scale
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.