Finding the Fourth Proportional to 53,106,473.68, 79,673,886.33 and 19,031,264.08
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Solution
The fourth proportional to 53,106,473.68, 79,673,886.33 and 19,031,264.08 is: 28,551,976.17
Step by Step Solution
- Step 1: Write the proportion equation
53,106,473.68 : 79,673,886.33 = 19,031,264.08 : x - Step 2: Convert to fraction form
53,106,473.68/79,673,886.33 = 19,031,264.08/x - Step 3: Cross multiply
53,106,473.68x = 79,673,886.33 × 19,031,264.08 - Step 4: Simplify right side
53,106,473.68x = 1,516,294,770,755,580.25 - Step 5: Solve for x
x = 1,516,294,770,755,580.25/53,106,473.68 - Step 6: Final answer
x = 28,551,976.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.