Finding the Fourth Proportional to 19,249,357.36, 26,562,346.68 and 11,099,020.72
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Solution
The fourth proportional to 19,249,357.36, 26,562,346.68 and 11,099,020.72 is: 15,315,630.06
Step by Step Solution
- Step 1: Write the proportion equation
19,249,357.36 : 26,562,346.68 = 11,099,020.72 : x - Step 2: Convert to fraction form
19,249,357.36/26,562,346.68 = 11,099,020.72/x - Step 3: Cross multiply
19,249,357.36x = 26,562,346.68 × 11,099,020.72 - Step 4: Simplify right side
19,249,357.36x = 294,816,036,173,143.25 - Step 5: Solve for x
x = 294,816,036,173,143.25/19,249,357.36 - Step 6: Final answer
x = 15,315,630.06
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1.5x scale
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.