Finding the Fourth Proportional to 22,956,726.96, 31,681,716 and 12,643,447.44
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Solution
The fourth proportional to 22,956,726.96, 31,681,716 and 12,643,447.44 is: 17,448,746.58
Step by Step Solution
- Step 1: Write the proportion equation
22,956,726.96 : 31,681,716 = 12,643,447.44 : x - Step 2: Convert to fraction form
22,956,726.96/31,681,716 = 12,643,447.44/x - Step 3: Cross multiply
22,956,726.96x = 31,681,716 × 12,643,447.44 - Step 4: Simplify right side
22,956,726.96x = 400,566,111,055,007 - Step 5: Solve for x
x = 400,566,111,055,007/22,956,726.96 - Step 6: Final answer
x = 17,448,746.58
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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.