Finding the Fourth Proportional to 19,490,696.58, 26,896,835.52 and 10,788,682.44
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Solution
The fourth proportional to 19,490,696.58, 26,896,835.52 and 10,788,682.44 is: 14,888,201.45
Step by Step Solution
- Step 1: Write the proportion equation
19,490,696.58 : 26,896,835.52 = 10,788,682.44 : x - Step 2: Convert to fraction form
19,490,696.58/26,896,835.52 = 10,788,682.44/x - Step 3: Cross multiply
19,490,696.58x = 26,896,835.52 × 10,788,682.44 - Step 4: Simplify right side
19,490,696.58x = 290,181,417,066,192.25 - Step 5: Solve for x
x = 290,181,417,066,192.25/19,490,696.58 - Step 6: Final answer
x = 14,888,201.45
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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.