Finding the Fourth Proportional to 21,063,888.36, 31,596,926.58 and 6,688,081.80
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Solution
The fourth proportional to 21,063,888.36, 31,596,926.58 and 6,688,081.80 is: 10,032,470.07
Step by Step Solution
- Step 1: Write the proportion equation
21,063,888.36 : 31,596,926.58 = 6,688,081.80 : x - Step 2: Convert to fraction form
21,063,888.36/31,596,926.58 = 6,688,081.80/x - Step 3: Cross multiply
21,063,888.36x = 31,596,926.58 × 6,688,081.80 - Step 4: Simplify right side
21,063,888.36x = 211,322,829,595,634.22 - Step 5: Solve for x
x = 211,322,829,595,634.22/21,063,888.36 - Step 6: Final answer
x = 10,032,470.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.