Finding the Fourth Proportional to 12,202,116.84, 16,838,810.82 and 6,695,386.92
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Solution
The fourth proportional to 12,202,116.84, 16,838,810.82 and 6,695,386.92 is: 9,239,573.36
Step by Step Solution
- Step 1: Write the proportion equation
12,202,116.84 : 16,838,810.82 = 6,695,386.92 : x - Step 2: Convert to fraction form
12,202,116.84/16,838,810.82 = 6,695,386.92/x - Step 3: Cross multiply
12,202,116.84x = 16,838,810.82 × 6,695,386.92 - Step 4: Simplify right side
12,202,116.84x = 112,742,353,712,582.47 - Step 5: Solve for x
x = 112,742,353,712,582.47/12,202,116.84 - Step 6: Final answer
x = 9,239,573.36
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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.