Home / 8,421,155.62-12,632,192.84-2,663,459.24

Finding the Fourth Proportional to 8,421,155.62, 12,632,192.84 and 2,663,459.24

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Solution

The fourth proportional to 8,421,155.62, 12,632,192.84 and 2,663,459.24 is: 3,995,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,155.62 : 12,632,192.84 = 2,663,459.24 : x
  2. Step 2: Convert to fraction form
    8,421,155.62/12,632,192.84 = 2,663,459.24/x
  3. Step 3: Cross multiply
    8,421,155.62x = 12,632,192.84 × 2,663,459.24
  4. Step 4: Simplify right side
    8,421,155.62x = 33,645,330,684,657.52
  5. Step 5: Solve for x
    x = 33,645,330,684,657.52/8,421,155.62
  6. Step 6: Final answer
    x = 3,995,334.16

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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.