Finding the Fourth Proportional to 14,370,169.77, 19,827,873.95 and 8,257,417.29
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Solution
The fourth proportional to 14,370,169.77, 19,827,873.95 and 8,257,417.29 is: 11,393,534.78
Step by Step Solution
- Step 1: Write the proportion equation
14,370,169.77 : 19,827,873.95 = 8,257,417.29 : x - Step 2: Convert to fraction form
14,370,169.77/19,827,873.95 = 8,257,417.29/x - Step 3: Cross multiply
14,370,169.77x = 19,827,873.95 × 8,257,417.29 - Step 4: Simplify right side
14,370,169.77x = 163,727,029,038,244.16 - Step 5: Solve for x
x = 163,727,029,038,244.16/14,370,169.77 - Step 6: Final answer
x = 11,393,534.78
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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.