Finding the Fourth Proportional to 9,506,914.68, 13,121,219.25 and 5,641,567.14
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Solution
The fourth proportional to 9,506,914.68, 13,121,219.25 and 5,641,567.14 is: 7,786,357.81
Step by Step Solution
- Step 1: Write the proportion equation
9,506,914.68 : 13,121,219.25 = 5,641,567.14 : x - Step 2: Convert to fraction form
9,506,914.68/13,121,219.25 = 5,641,567.14/x - Step 3: Cross multiply
9,506,914.68x = 13,121,219.25 × 5,641,567.14 - Step 4: Simplify right side
9,506,914.68x = 74,024,239,357,535.44 - Step 5: Solve for x
x = 74,024,239,357,535.44/9,506,914.68 - Step 6: Final answer
x = 7,786,357.81
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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.