Finding the Fourth Proportional to 9,908,164.20, 14,862,246.30 and 4,239,460.20
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Solution
The fourth proportional to 9,908,164.20, 14,862,246.30 and 4,239,460.20 is: 6,359,190.30
Step by Step Solution
- Step 1: Write the proportion equation
9,908,164.20 : 14,862,246.30 = 4,239,460.20 : x - Step 2: Convert to fraction form
9,908,164.20/14,862,246.30 = 4,239,460.20/x - Step 3: Cross multiply
9,908,164.20x = 14,862,246.30 × 4,239,460.20 - Step 4: Simplify right side
9,908,164.20x = 63,007,901,671,447.27 - Step 5: Solve for x
x = 63,007,901,671,447.27/9,908,164.20 - Step 6: Final answer
x = 6,359,190.30
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1.5x scale
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.