Home / 38,321,816.45-57,461,457.31-12,748,865.81

Finding the Fourth Proportional to 38,321,816.45, 57,461,457.31 and 12,748,865.81

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Solution

The fourth proportional to 38,321,816.45, 57,461,457.31 and 12,748,865.81 is: 19,116,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321,816.45 : 57,461,457.31 = 12,748,865.81 : x
  2. Step 2: Convert to fraction form
    38,321,816.45/57,461,457.31 = 12,748,865.81/x
  3. Step 3: Cross multiply
    38,321,816.45x = 57,461,457.31 × 12,748,865.81
  4. Step 4: Simplify right side
    38,321,816.45x = 732,568,408,173,054.12
  5. Step 5: Solve for x
    x = 732,568,408,173,054.12/38,321,816.45
  6. Step 6: Final answer
    x = 19,116,223.50

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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.