Home / 6,520,797.47-9,781,905.61-2,421,637.76

Finding the Fourth Proportional to 6,520,797.47, 9,781,905.61 and 2,421,637.76

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Solution

The fourth proportional to 6,520,797.47, 9,781,905.61 and 2,421,637.76 is: 3,632,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,797.47 : 9,781,905.61 = 2,421,637.76 : x
  2. Step 2: Convert to fraction form
    6,520,797.47/9,781,905.61 = 2,421,637.76/x
  3. Step 3: Cross multiply
    6,520,797.47x = 9,781,905.61 × 2,421,637.76
  4. Step 4: Simplify right side
    6,520,797.47x = 23,688,231,980,731.50
  5. Step 5: Solve for x
    x = 23,688,231,980,731.50/6,520,797.47
  6. Step 6: Final answer
    x = 3,632,720.09

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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.