Home / 18,630,018.40-27,945,027.60-15,653,948.80

Finding the Fourth Proportional to 18,630,018.40, 27,945,027.60 and 15,653,948.80

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Solution

The fourth proportional to 18,630,018.40, 27,945,027.60 and 15,653,948.80 is: 23,480,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,018.40 : 27,945,027.60 = 15,653,948.80 : x
  2. Step 2: Convert to fraction form
    18,630,018.40/27,945,027.60 = 15,653,948.80/x
  3. Step 3: Cross multiply
    18,630,018.40x = 27,945,027.60 × 15,653,948.80
  4. Step 4: Simplify right side
    18,630,018.40x = 437,450,031,264,986.94
  5. Step 5: Solve for x
    x = 437,450,031,264,986.94/18,630,018.40
  6. Step 6: Final answer
    x = 23,480,923.20

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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.