Finding the Fourth Proportional to 26,888,615.80, 40,332,923.70 and 8,937,719.80
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Solution
The fourth proportional to 26,888,615.80, 40,332,923.70 and 8,937,719.80 is: 13,406,579.70
Step by Step Solution
- Step 1: Write the proportion equation
26,888,615.80 : 40,332,923.70 = 8,937,719.80 : x - Step 2: Convert to fraction form
26,888,615.80/40,332,923.70 = 8,937,719.80/x - Step 3: Cross multiply
26,888,615.80x = 40,332,923.70 × 8,937,719.80 - Step 4: Simplify right side
26,888,615.80x = 360,484,370,745,379.31 - Step 5: Solve for x
x = 360,484,370,745,379.31/26,888,615.80 - Step 6: Final answer
x = 13,406,579.70
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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.