Finding the Fourth Proportional to 6,249,135.36, 9,332,178.72 and 6,181,501.14
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Solution
The fourth proportional to 6,249,135.36, 9,332,178.72 and 6,181,501.14 is: 9,231,176.81
Step by Step Solution
- Step 1: Write the proportion equation
6,249,135.36 : 9,332,178.72 = 6,181,501.14 : x - Step 2: Convert to fraction form
6,249,135.36/9,332,178.72 = 6,181,501.14/x - Step 3: Cross multiply
6,249,135.36x = 9,332,178.72 × 6,181,501.14 - Step 4: Simplify right side
6,249,135.36x = 57,686,873,396,363.74 - Step 5: Solve for x
x = 57,686,873,396,363.74/6,249,135.36 - Step 6: Final answer
x = 9,231,176.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.