Home / 8,436,529.60-12,655,384.64-3,387,840

Finding the Fourth Proportional to 8,436,529.60, 12,655,384.64 and 3,387,840

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Solution

The fourth proportional to 8,436,529.60, 12,655,384.64 and 3,387,840 is: 5,081,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,529.60 : 12,655,384.64 = 3,387,840 : x
  2. Step 2: Convert to fraction form
    8,436,529.60/12,655,384.64 = 3,387,840/x
  3. Step 3: Cross multiply
    8,436,529.60x = 12,655,384.64 × 3,387,840
  4. Step 4: Simplify right side
    8,436,529.60x = 42,874,418,298,777.60
  5. Step 5: Solve for x
    x = 42,874,418,298,777.60/8,436,529.60
  6. Step 6: Final answer
    x = 5,081,997.02

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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.