Finding the Fourth Proportional to 10,365,088.05, 15,547,632.08 and 9,169,345.80
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Solution
The fourth proportional to 10,365,088.05, 15,547,632.08 and 9,169,345.80 is: 13,754,018.70
Step by Step Solution
- Step 1: Write the proportion equation
10,365,088.05 : 15,547,632.08 = 9,169,345.80 : x - Step 2: Convert to fraction form
10,365,088.05/15,547,632.08 = 9,169,345.80/x - Step 3: Cross multiply
10,365,088.05x = 15,547,632.08 × 9,169,345.80 - Step 4: Simplify right side
10,365,088.05x = 142,561,614,912,693.28 - Step 5: Solve for x
x = 142,561,614,912,693.28/10,365,088.05 - Step 6: Final answer
x = 13,754,018.70
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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.