Finding the Fourth Proportional to 16,864,357.84, 23,272,888.14 and 9,129,400.13
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Solution
The fourth proportional to 16,864,357.84, 23,272,888.14 and 9,129,400.13 is: 12,598,612.42
Step by Step Solution
- Step 1: Write the proportion equation
16,864,357.84 : 23,272,888.14 = 9,129,400.13 : x - Step 2: Convert to fraction form
16,864,357.84/23,272,888.14 = 9,129,400.13/x - Step 3: Cross multiply
16,864,357.84x = 23,272,888.14 × 9,129,400.13 - Step 4: Simplify right side
16,864,357.84x = 212,467,508,068,973.69 - Step 5: Solve for x
x = 212,467,508,068,973.69/16,864,357.84 - Step 6: Final answer
x = 12,598,612.42
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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.