Finding the Fourth Proportional to 7,031,646.08, 10,547,875.13 and 2,713,718.70
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Solution
The fourth proportional to 7,031,646.08, 10,547,875.13 and 2,713,718.70 is: 4,070,734.74
Step by Step Solution
- Step 1: Write the proportion equation
7,031,646.08 : 10,547,875.13 = 2,713,718.70 : x - Step 2: Convert to fraction form
7,031,646.08/10,547,875.13 = 2,713,718.70/x - Step 3: Cross multiply
7,031,646.08x = 10,547,875.13 × 2,713,718.70 - Step 4: Simplify right side
7,031,646.08x = 28,623,965,985,545.93 - Step 5: Solve for x
x = 28,623,965,985,545.93/7,031,646.08 - Step 6: Final answer
x = 4,070,734.74
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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.