Finding the Fourth Proportional to 40,664,434.55, 56,117,322.90 and 22,079,726.99
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Solution
The fourth proportional to 40,664,434.55, 56,117,322.90 and 22,079,726.99 is: 30,470,242.18
Step by Step Solution
- Step 1: Write the proportion equation
40,664,434.55 : 56,117,322.90 = 22,079,726.99 : x - Step 2: Convert to fraction form
40,664,434.55/56,117,322.90 = 22,079,726.99/x - Step 3: Cross multiply
40,664,434.55x = 56,117,322.90 × 22,079,726.99 - Step 4: Simplify right side
40,664,434.55x = 1,239,055,168,761,088.50 - Step 5: Solve for x
x = 1,239,055,168,761,088.50/40,664,434.55 - Step 6: Final answer
x = 30,470,242.18
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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.