Finding the Fourth Proportional to 31,907,730.47, 44,032,070.07 and 19,516,913.62
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Solution
The fourth proportional to 31,907,730.47, 44,032,070.07 and 19,516,913.62 is: 26,932,975.03
Step by Step Solution
- Step 1: Write the proportion equation
31,907,730.47 : 44,032,070.07 = 19,516,913.62 : x - Step 2: Convert to fraction form
31,907,730.47/44,032,070.07 = 19,516,913.62/x - Step 3: Cross multiply
31,907,730.47x = 44,032,070.07 × 19,516,913.62 - Step 4: Simplify right side
31,907,730.47x = 859,370,107,955,897.12 - Step 5: Solve for x
x = 859,370,107,955,897.12/31,907,730.47 - Step 6: Final answer
x = 26,932,975.03
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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.