Finding the Fourth Proportional to 13,943,894.62, 19,243,041.86 and 7,749,202.42
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Solution
The fourth proportional to 13,943,894.62, 19,243,041.86 and 7,749,202.42 is: 10,694,159.03
Step by Step Solution
- Step 1: Write the proportion equation
13,943,894.62 : 19,243,041.86 = 7,749,202.42 : x - Step 2: Convert to fraction form
13,943,894.62/19,243,041.86 = 7,749,202.42/x - Step 3: Cross multiply
13,943,894.62x = 19,243,041.86 × 7,749,202.42 - Step 4: Simplify right side
13,943,894.62x = 149,118,226,549,673.28 - Step 5: Solve for x
x = 149,118,226,549,673.28/13,943,894.62 - Step 6: Final answer
x = 10,694,159.03
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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.