Home / 14,019,743.40-21,029,615.10-7,952,130.60

Finding the Fourth Proportional to 14,019,743.40, 21,029,615.10 and 7,952,130.60

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Solution

The fourth proportional to 14,019,743.40, 21,029,615.10 and 7,952,130.60 is: 11,928,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019,743.40 : 21,029,615.10 = 7,952,130.60 : x
  2. Step 2: Convert to fraction form
    14,019,743.40/21,029,615.10 = 7,952,130.60/x
  3. Step 3: Cross multiply
    14,019,743.40x = 21,029,615.10 × 7,952,130.60
  4. Step 4: Simplify right side
    14,019,743.40x = 167,230,245,742,932.06
  5. Step 5: Solve for x
    x = 167,230,245,742,932.06/14,019,743.40
  6. Step 6: Final answer
    x = 11,928,195.90

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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.