Home / 12,457,417.68-18,674,710.32-4,365,982.56

Finding the Fourth Proportional to 12,457,417.68, 18,674,710.32 and 4,365,982.56

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Solution

The fourth proportional to 12,457,417.68, 18,674,710.32 and 4,365,982.56 is: 6,544,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,417.68 : 18,674,710.32 = 4,365,982.56 : x
  2. Step 2: Convert to fraction form
    12,457,417.68/18,674,710.32 = 4,365,982.56/x
  3. Step 3: Cross multiply
    12,457,417.68x = 18,674,710.32 × 4,365,982.56
  4. Step 4: Simplify right side
    12,457,417.68x = 81,533,459,570,172.02
  5. Step 5: Solve for x
    x = 81,533,459,570,172.02/12,457,417.68
  6. Step 6: Final answer
    x = 6,544,972.78

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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.