Finding the Fourth Proportional to 19,479,290.96, 26,881,005.34 and 10,658,708.08
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Solution
The fourth proportional to 19,479,290.96, 26,881,005.34 and 10,658,708.08 is: 14,708,789.42
Step by Step Solution
- Step 1: Write the proportion equation
19,479,290.96 : 26,881,005.34 = 10,658,708.08 : x - Step 2: Convert to fraction form
19,479,290.96/26,881,005.34 = 10,658,708.08/x - Step 3: Cross multiply
19,479,290.96x = 26,881,005.34 × 10,658,708.08 - Step 4: Simplify right side
19,479,290.96x = 286,516,788,815,981.12 - Step 5: Solve for x
x = 286,516,788,815,981.12/19,479,290.96 - Step 6: Final answer
x = 14,708,789.42
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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.