Home / 8,547,872.10-12,821,808.15-2,564,240.10

Finding the Fourth Proportional to 8,547,872.10, 12,821,808.15 and 2,564,240.10

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Solution

The fourth proportional to 8,547,872.10, 12,821,808.15 and 2,564,240.10 is: 3,846,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,872.10 : 12,821,808.15 = 2,564,240.10 : x
  2. Step 2: Convert to fraction form
    8,547,872.10/12,821,808.15 = 2,564,240.10/x
  3. Step 3: Cross multiply
    8,547,872.10x = 12,821,808.15 × 2,564,240.10
  4. Step 4: Simplify right side
    8,547,872.10x = 32,878,194,612,736.82
  5. Step 5: Solve for x
    x = 32,878,194,612,736.82/8,547,872.10
  6. Step 6: Final answer
    x = 3,846,360.15

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Double scale
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Similar ratio
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1.5x scale

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.