Finding the Fourth Proportional to 13,865,119.58, 19,127,417.42 and 8,971,923.08
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Solution
The fourth proportional to 13,865,119.58, 19,127,417.42 and 8,971,923.08 is: 12,377,081.70
Step by Step Solution
- Step 1: Write the proportion equation
13,865,119.58 : 19,127,417.42 = 8,971,923.08 : x - Step 2: Convert to fraction form
13,865,119.58/19,127,417.42 = 8,971,923.08/x - Step 3: Cross multiply
13,865,119.58x = 19,127,417.42 × 8,971,923.08 - Step 4: Simplify right side
13,865,119.58x = 171,609,717,881,540.41 - Step 5: Solve for x
x = 171,609,717,881,540.41/13,865,119.58 - Step 6: Final answer
x = 12,377,081.70
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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.