Home / 13,479,362.40-20,219,043.60-9,652,987.20

Finding the Fourth Proportional to 13,479,362.40, 20,219,043.60 and 9,652,987.20

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Solution

The fourth proportional to 13,479,362.40, 20,219,043.60 and 9,652,987.20 is: 14,479,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,362.40 : 20,219,043.60 = 9,652,987.20 : x
  2. Step 2: Convert to fraction form
    13,479,362.40/20,219,043.60 = 9,652,987.20/x
  3. Step 3: Cross multiply
    13,479,362.40x = 20,219,043.60 × 9,652,987.20
  4. Step 4: Simplify right side
    13,479,362.40x = 195,174,169,067,041.91
  5. Step 5: Solve for x
    x = 195,174,169,067,041.91/13,479,362.40
  6. Step 6: Final answer
    x = 14,479,480.80

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1.5x scale

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.