Home / 8,430,551.78-12,646,287.53-2,672,869.01

Finding the Fourth Proportional to 8,430,551.78, 12,646,287.53 and 2,672,869.01

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Solution

The fourth proportional to 8,430,551.78, 12,646,287.53 and 2,672,869.01 is: 4,009,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,551.78 : 12,646,287.53 = 2,672,869.01 : x
  2. Step 2: Convert to fraction form
    8,430,551.78/12,646,287.53 = 2,672,869.01/x
  3. Step 3: Cross multiply
    8,430,551.78x = 12,646,287.53 × 2,672,869.01
  4. Step 4: Simplify right side
    8,430,551.78x = 33,801,869,953,890.66
  5. Step 5: Solve for x
    x = 33,801,869,953,890.66/8,430,551.78
  6. Step 6: Final answer
    x = 4,009,449.30

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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.