Finding the Fourth Proportional to 9,679,729.74, 13,357,617.83 and 5,269,363.68
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Solution
The fourth proportional to 9,679,729.74, 13,357,617.83 and 5,269,363.68 is: 7,271,499.12
Step by Step Solution
- Step 1: Write the proportion equation
9,679,729.74 : 13,357,617.83 = 5,269,363.68 : x - Step 2: Convert to fraction form
9,679,729.74/13,357,617.83 = 5,269,363.68/x - Step 3: Cross multiply
9,679,729.74x = 13,357,617.83 × 5,269,363.68 - Step 4: Simplify right side
9,679,729.74x = 70,386,146,288,226.77 - Step 5: Solve for x
x = 70,386,146,288,226.77/9,679,729.74 - Step 6: Final answer
x = 7,271,499.12
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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.