Finding the Fourth Proportional to 9,602,207.04, 13,255,864.20 and 7,421,822.76
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Solution
The fourth proportional to 9,602,207.04, 13,255,864.20 and 7,421,822.76 is: 10,245,839.75
Step by Step Solution
- Step 1: Write the proportion equation
9,602,207.04 : 13,255,864.20 = 7,421,822.76 : x - Step 2: Convert to fraction form
9,602,207.04/13,255,864.20 = 7,421,822.76/x - Step 3: Cross multiply
9,602,207.04x = 13,255,864.20 × 7,421,822.76 - Step 4: Simplify right side
9,602,207.04x = 98,382,674,623,029.19 - Step 5: Solve for x
x = 98,382,674,623,029.19/9,602,207.04 - Step 6: Final answer
x = 10,245,839.75
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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.