Finding the Fourth Proportional to 16,721,487.64, 25,081,013.16 and 7,502,315.08
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Solution
The fourth proportional to 16,721,487.64, 25,081,013.16 and 7,502,315.08 is: 11,252,926.01
Step by Step Solution
- Step 1: Write the proportion equation
16,721,487.64 : 25,081,013.16 = 7,502,315.08 : x - Step 2: Convert to fraction form
16,721,487.64/25,081,013.16 = 7,502,315.08/x - Step 3: Cross multiply
16,721,487.64x = 25,081,013.16 × 7,502,315.08 - Step 4: Simplify right side
16,721,487.64x = 188,165,663,251,946.47 - Step 5: Solve for x
x = 188,165,663,251,946.47/16,721,487.64 - Step 6: Final answer
x = 11,252,926.01
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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.