Finding the Fourth Proportional to 8,867,811.71, 12,237,574.77 and 4,793,430.71
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Solution
The fourth proportional to 8,867,811.71, 12,237,574.77 and 4,793,430.71 is: 6,614,931.47
Step by Step Solution
- Step 1: Write the proportion equation
8,867,811.71 : 12,237,574.77 = 4,793,430.71 : x - Step 2: Convert to fraction form
8,867,811.71/12,237,574.77 = 4,793,430.71/x - Step 3: Cross multiply
8,867,811.71x = 12,237,574.77 × 4,793,430.71 - Step 4: Simplify right side
8,867,811.71x = 58,659,966,718,439.19 - Step 5: Solve for x
x = 58,659,966,718,439.19/8,867,811.71 - Step 6: Final answer
x = 6,614,931.47
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1.5x scale
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.