Finding the Fourth Proportional to 19,239,030.86, 26,549,888.18 and 10,418,497.34
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Solution
The fourth proportional to 19,239,030.86, 26,549,888.18 and 10,418,497.34 is: 14,377,540.19
Step by Step Solution
- Step 1: Write the proportion equation
19,239,030.86 : 26,549,888.18 = 10,418,497.34 : x - Step 2: Convert to fraction form
19,239,030.86/26,549,888.18 = 10,418,497.34/x - Step 3: Cross multiply
19,239,030.86x = 26,549,888.18 × 10,418,497.34 - Step 4: Simplify right side
19,239,030.86x = 276,609,939,403,722.25 - Step 5: Solve for x
x = 276,609,939,403,722.25/19,239,030.86 - Step 6: Final answer
x = 14,377,540.19
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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.