Home / 8,697,820.60-12,008,997.30-5,436,101.46

Finding the Fourth Proportional to 8,697,820.60, 12,008,997.30 and 5,436,101.46

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Solution

The fourth proportional to 8,697,820.60, 12,008,997.30 and 5,436,101.46 is: 7,505,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,820.60 : 12,008,997.30 = 5,436,101.46 : x
  2. Step 2: Convert to fraction form
    8,697,820.60/12,008,997.30 = 5,436,101.46/x
  3. Step 3: Cross multiply
    8,697,820.60x = 12,008,997.30 × 5,436,101.46
  4. Step 4: Simplify right side
    8,697,820.60x = 65,282,127,755,666.06
  5. Step 5: Solve for x
    x = 65,282,127,755,666.06/8,697,820.60
  6. Step 6: Final answer
    x = 7,505,573.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.