Finding the Fourth Proportional to 7,772,587.99, 11,668,985.08 and 5,976,732.60
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Solution
The fourth proportional to 7,772,587.99, 11,668,985.08 and 5,976,732.60 is: 8,972,867.68
Step by Step Solution
- Step 1: Write the proportion equation
7,772,587.99 : 11,668,985.08 = 5,976,732.60 : x - Step 2: Convert to fraction form
7,772,587.99/11,668,985.08 = 5,976,732.60/x - Step 3: Cross multiply
7,772,587.99x = 11,668,985.08 × 5,976,732.60 - Step 4: Simplify right side
7,772,587.99x = 69,742,403,565,366.47 - Step 5: Solve for x
x = 69,742,403,565,366.47/7,772,587.99 - Step 6: Final answer
x = 8,972,867.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.